Trac Nghiem Theo Bai Mon Hoa 10 Cua NGo Ngoc an[1]

8/9/2019 Trac Nghiem Theo Bai Mon Hoa 10 Cua NGo Ngoc an[1]

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n chng ICu 1. Nguyn t khi trung bnh ca bc l 107,88. Bit bc c 2 ng v l 47107Ag v 47109Ag . Phn trmv s nguyn t ca mi loi ng v l:

A. 50% 107Ag v 50% 109Ag. B. 60% 107Ag v 40% 109Ag.C. 55% 107Ag v 45% 109Ag. D.Kt qu khc.

Cu 2. Nguyn t X c tng s ht l 46. S ht khng mang in bng 8/15 s ht mang in. Xc nh tnca X.

Y l ng v ca X, c t hn 1 notron. Y chim 4% v s nguyn t trong t nhin. Nguyn t khitrung bnh ca nguyn t gm 2 ng v X v Y l bao nhiu?

A. 32 B. 31 C. 30,96 D. 40.Cu 3. Nguyn t R to c ion R- . Tng s ht trong R- l 53. hy xc nh s khi ca R.R c mt ng v khc l R, trong nguyn t R c nhiu hn R 2 ht c bn. Trong t nhin ng v

R chim khong 25% s nguyn t. Nguyn t khi trung bnh ca R l?A. 35,5 B. 35 C. 40 D. 36.

Cu 4. Nguyn t M to c oxt M2O7. Trong nguyn t M c 80 ht cc loi .Nguyn t M l nguyn tno sau y?

A. Sb B. Mn C. Fe D. Tt c u sai.Cu 5. Cho cu hnh electron ca cc nguyn t sau y:

a, 1s22s22p63s2 b, 1s22s22p63s23p6.c, 1s22s22p63s23p64s2. d, 1s22s22p6.

Cc nguyn t kim loi l trng hp no sau y?A. a,b ,d. B. a,c C. b, d D. b,c,d.Cu 6. Nguyn t Y c cu hnh electron cht l 3d2. Vy nguyn t Y c s lp electron l:

A. 3 B. 4 C. 5 D. kt qu khc.Cu 6. Nguyn t ca nguyn t A c tng s electron trong cc phn lp p l 7. Nguyn t ca nguyn t Bc tng s ht mang in nhiu hn s ht khng mang in ca A l 8. A v B l nhng nguyn t no sauy?

A. Na v Cl. B. Fe v P C. Al v Cl D. Fe v Cl.Cu 7. Nguyn t M thuc nhm A. M nhng electron to ion M3+ c 37 ht cc loi.( gm cc ht p, n, e ). Nguyn t M l:

A. Al B. Fe C. Ca D. Mg.

Cu 8. Kim loi X c 1 electron ho tr, c tng s cc loi ht l 34. X l kim loi no sau y?A. Rb B. Na C. K D. LiCu 9. Pht biu no sau y khng ng:

A. Mi nguyn t c biu din bng mt nguyn t.B. Z l s prton trong nhn.C. A l tng s proton v notron trong nhn.D. S notron trong nhn bng A Z.

Cu 10. Cc mnh no sau y khng ng.A. Tt c cc nguyn t c 3 electron lp ngoi cng u l kim loi.B. Tt c cc nguyn t c 5 electron lp ngoi cng u l phi kim .C. Thng thng cc nguyn t c 4 electron lp ngoi cng u l phi kim.

D. Tt c cc nguyn t c 4 electron lp ngoi cng u l kim loi.Cu 11. Cho cu hnh electron 1s22s22p6. Cu hnh electron trn l ca cc nguyn t v cc ion c s th tng vi Z no?

A. R ( Z = 10 ), M+( Z = 11 ), M2+ ( Z = 12 ), X- ( Z = 9).B. R ( Z = 10 ), M+( Z = 11 ), M2+ ( Z = 12 ), X2- ( Z = 8).C. R ( Z = 10 ), M+( Z = 11 ), M2+ ( Z = 12 ), X3- ( Z = 7).D. Kt qu khc.

Cu 12. S hiu Z ca nguyn t c nh ngha no sau y?A. L s nguyn t nm ngoi nhn.B. L s in t trong nhn.C. L s notron trong nhn.


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D. L s proton trong nhn.Cu 13. Cht ng v c nh ngha no sau y l ng nht?

A. L nhng nguyn t c cng s in tch ht nhn nhng khc s notron.B .L nhng nguyn t c cng s in tch ht nhn .C. L nhng nguyn t c cng s khi A.D. L nhng cht c cng s in tch ht nhn .

Cu 14. Hai nguyn t ng v c cng chung tnh cht no sau y?A. Cng s in t lp ngoi cng.B. Cng s protron trong nhn .

C. Cng tnh cht ho hc.D. Cng c tt c nhng tnh cht trn.Cu 15. Hai nguyn t khc nhau mun c cng k hiu nguyn t phi c nhng tnh cht no sau y?

A. Cng s in t trong nhn.B. Cng s notron .C. Cng s proton trong nhn.D. Cng s khi A.

Cu 16. Cation M+ c cu hnh electron lp v ngoi cng l 2p6.Cu hnh electron ca nguyn t M l?A. 1s22s52p5 B. 1s22s52p4 C. 1s22s52p63s2 D. 1s22s52p63s1

Cu 17. Mt cation Rn+ c cu hnh electron lp v ngoi cng l 2p6.Cu hnh electron lp v ngoicng ca R c th l:

A. 3s2

B. 3s2

3p1

C. 3s1

D. C A, B, C u ng.Cu 18. Nguyn t khi trung bnh ca Sb l 121,76. Sb c hai ng v , bit 121Sb chim 62%. Tm s khica ng v th hai:

A. 123 B. 122,5 C. 124 D. 121.Cu 19. Mt nguyn t R c tng s cc loi ht l 52. Xc nh nguyn t R:

A. Cl B. Br C. Ca D. FCu 20. Nguyn t X c cu hnh electron l 1s22s22p63s23p64s2. Ion X2+ c cu hnh electron l:

A. 1s22s22p63s23p64s2 B. 1s22s22p63s23p6

C. 1s22s22p63s23p64s24p2 D. 1s22s22p63s2.

Cu 21.Nguyn t M c cu hnh electron ca phn lp cht l 3d7

a, Tng s electron trong nguyn t M l:A.24 B. 25 C .27 D. 29.b, tng s obitan trong nguyn t M l:A. 9 B.12 C. 14 D. 20.

Cu 22. Mt ion Mn- c cu hnh electron lp v ngoi cng l 3p6, vy cu hnh electron lp ngoi cng cangun t M l:

A. 3p5 hay 3p4 B. 4s14p2 hay 4p1

C. 4s24p3 D. 3s1 hay 3s2

Cu 23. Cu hnh electron lp ngoi cng no sau y ch ra rng lp th 3 ca mt nguyn t cha 6electron?

A. 3p6 B. 3s6 C. 3s23p6 D. 3s23p4

Cu 23. Xt cc yu t sau y:1. S proton trong nhn.2. S electron ngoi nhn.3. S khi A ca nguyn t hay ion.

Mun xc nh s notron trong nhn nguyn t , ta cn phi bit cc yu t no trong cc yu tsau y:

A. 1 B . 2 C. 1 v 2 D. 2 v 3.

Cu 1: lp L(n = 2) c s phn lp electron l:A. 1B. 2


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C. 3D. 4

Cu 2: phn lp p c s obitan nguyn t l:A. 7B. 3C. 5D. 1

Cu 3: lp M(n = 3) c s obitan nguyn t l:A. 4

B. 9C. 1D. 16

Cu 4: lp electron no c s electron ti a l 18?A. n = 2B. n = 1C. n = 3D. n = 4

cu 5: tng s cc obitan nguyn t trong phn lp d l:A. 1B. 5

C. 3D. 7Cu 6: tng s c obitan nguyn t ca lp N(n = 4) l:

A. 9B. 4C. 16D. 1

Cu 7: s phn lp electron ca lp M(n = 3) l:A. 4B. 2C. 3

D. 1Cu 8: Trong nguyn t, cc phn lp electron c s obitan nguyn t l:Phn lp electron S obitan nguyn tA. phn lp d c a. 3 obitan nguyn tB. phn lp s c b. 5 obitan nguyn tC. phn lp p c c. 1 obitan nguyn tD. phn lp f c d. 7 obitan nguyn tCu 9: s electron ti a c trong 1 obitan nguyn t l:

A. 1eB. 4eC. 2e

D. 3eCu 10: cu hnh electrong trng thi c bn sau y l ca nguyn t no?Cu hnh electron Nguyn tA. 1s22s22p6 l ca a. nguyn t NB. 1s22s22p5 l ca b. nguyn t OC. 1s22s22p3 l ca c. nguyn t NeD. 1s22s22p4 l ca d. nguyn t FCu 11: cu hnh electron trng thi c bn sau y l ca nguyn t no?Cu hnh electron Nguyn tA. 1s22s23s1 ca a. nguyn t S


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B. 1s22s23s23p1 ca b. nguyn t ClC. 1s22s23s23p4 ca c. nguyn t NaD. 1s22s23s23p5 ca d. nguyn t AlCu 12: nguyn t canxi(Ca) c cu hnh electron l:

A. 1s22s23s2

B. 1s22s23s23p2

C. 1s22s23s23p64s2

D. 1s22s23s23p63d54s2

Cu 13: nguyn t photpho(P) c s electron ho tr l:

A. 2eB. 1eC. 3eD. 5e

Cu 14: nguyn t F199 c s khi l:A. 9B. 10C. 19D. 18

Cu 15: ht nhn nguyn t Cu6529 c s ntron l:

A. 65B. 29C. 36D. 94

Cu 16: mt ng v ca nguyn t photpho l: P3115 . Nguyn t ny c s electron l:A. 32B. 17C. 15D. 47

Cu 17: ht nhn ca nguyn t no c s ht ntron l 28?A. K3919

B. Fe5426

C. P3215D. Na2311Cu 18: nguyn t He42 khc vi nguyn t Li

73 l nguyn t He:

A. hn nguyn t Li 1 protonB. hn nguyn t Li 1 protonC. km nguyn t Li 2 protonD. km nguyn t Li 2 ntron

cu 19: cu hnh electron no l ca nguyn t Mn5525 ?

A. 1s22s23s2B. 1s22s23s23p63d54s2

C. 1s22s23s23p63d54s24p1

D. 1s22s23s23p63d7

Cu 20: nguyn t Rb8637 c tng s ht ntron v proton l:A. 37B. 86C. 49D. 123

Cu 21: cu hnh electron( di dng lng t) no l ca nguyn t kh him?


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A.

B.C.D.

Cu 22:tng s ht proton, ntron, electron c trong nguyn t Rb8637 l:A. 74

B. 37C. 86

D. 123Cu 23: nguyn t B115 c bao nhiu electron ho tr?

A. 1B. 3C. 7D. 5

Cu 24: mt nguyn t c s hiu l 29 v s khi l 61 th nguyn t phi c:A. 90 ntron

B. 61 electronC. 29 ntronD. 29 eleectron

Cu 25: nguyn t X c 9 proton, 9 electron v 10 ntron. Nguyn t Y c 10 proton, 10 eleectron v 9ntron. Nh vy c th kt lun rng:

A. nguyn t X v Y l nhng ng v ca cng mt nguyn tB. nguyn t X c khi lng ln hn nguyn t YC. nguyn t X v Y c cng s khiD. nguyn t X v Y c cng s hiu nguyn t

cu 26: nhng nguyn t Ca4020 , K3919 v Sc

4121 c cng:

A. s electron

B. s hiu nguyn tC. s khiD. s ntron

cu 27: cu hnh electron 1s22s22p63s23p63d34s2 l ca nguyn t:A. CaB. ScC. ZnD. V

Cu 28: nguyn t nguyn t X c cu hnh electron lp ngoi cng l ns2np4, khi tham gia phn ng ha hcto ra ion c in tch:

A. 2+

B. 1+C. 1-D. 2-

Cu 29: trong hp cht, kim loi nhm IIA( kim loi kim th) tn ti dng ion:A. cation M+

B. cation M2+

C. nguyn t MD. anion M2-

cu 30: nguyn t ca nguyn t no c ht nhn cha 27 ntron v 22 proton?A. Ti4922


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B. Co4927C. In4927

D. Ti2249Cu 31: ion hoc nguyn t no c bn knh nh nht?

A. KB. K+

C. CaD. Ca2+

Cu 32: c hai ng v bn ca ca cbon, chng khc nhau v:A. s khi AB. s proton trong ht nhnC. s hiu nguyn tD. cu hnh electron nguyn t

cu 33: nguyn t khi trung bnh ca nguyn t ng l 63,5. nguyn t ng trong t nhin gm hai ngv bn l 63Cu v 65Cu. T l phn trm ca ng v 63Cu trong ng t nhin l:

A. 25%B. 75%C. 50%D. 90%

Cu 34: mt ion c k hiu l: +22412Mg . Ion ny c s electron l:A. 2B. 10C. 12D. 22

Cu 35: ion Mn2+ c cu hnh electron l:A. [Ar]3d34s2

B. [Ar]3d54s2

C. [Ar]3d44s1

D. [Ar]3d54s0

Cu 36: ion Ca2+c in rch ht nhn l:A. 20+B. 18+C. 0D. 18-

Cu 37: cu hnh electron ca nguyn t no trng thi c bn c vit ng:A. Cu: [Ar]3d84s2

B. Mo: [Kr]4d55s1

C. Cl: [Ne]3s13p6

D. As: [Ar]3d104s34p2

Cu 38: nguyn t coban(Co) trng thi c bn c s electron c thn l:A. 1eB. 2eC. 3eD. 4e

Cu 39: cu hnh electron no ca nguyn t Mg trng thi kch thch?A. [Ne]3s23p4

B. [He]2s1

C. [Ne]3s13p1

D. [Ar]3d54s1

Cu 40: cu hnh electron no l ca nguyn t trng thi c bn?A. 1s22s2


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B. [Kr]5p1

C. [Ar]3d64s2

D. [Ne]3s14p2

Cu 41: nguyn t st ( Fe5626 ) c cha:A. 26 electron, 26 proton, 56 ntronB. 56 electron, 26 proton, 26 ntronC. 26 electron, 26 proton, 30 ntronD. 56 electron, 56 proton, 30 ntron

Chng II: H thng tun hon- nh lut tun hon cc NTHH

I. BNG TUN HONCu 1. nguyn t X c phn lp electron ngoi cng l 3p4. hy ch ra cu sai trong cc cu sau khi ni vnguyn t X:

A. Lp ngoi cng ca nguyn t X c 6 electron.B. Ht nhn nguyn t X c 16 proton.C. Trong bng tun hon X nm chu k 3.D. Trong bng tun hon X nm nhm IVA.

Cu 2. Nguyn t X c Z = 29, v tr ca nguyn t X trong bng HTTH l v tr no sau y?A. Chu k 4, nhm IB B. Chu k 3, nhm IA.C. Chu k 4, nhm IA D. Chu k 3, nhm IB.

Cu 3. Nguyn t N c Z = 37, V tr ca N trong bng tun hon l v tr no sau y?

A. Chu k 4, nhm IA B. Chu k 4, nhm IIA.C. Chu k 3, nhm IA D. Tt c u sai.

Cu 4. Bit nguyn t X thuc chu k 3, nhm VIA ca bng tun hon. Cu hnh electron ca nguyn t Xl:

A. 1s22s22p63s23d4. B. 1s22s22p63s23p4. C.1s22s22p63s4. D. 1s22s22p63s2.Cu 5. Nguyn t M c cu hnh electron nguyn t l 1s22s22p63s23p64s1, v tr ca nguyn t M trong bngtun hon l:

A. Chu k 4, nhm IB B. Chu k 3, nhm IA.C. Chu k 4, nhm IA D. Kt qu khc.

Cu 6. Electron cui cng ca nguyn t X l 3p3, v tr cua nguyn t X trong bng HTTH l:A. Chu k 3, nhm VA B. Chu k 3, nhm IIIB.

C. Chu k 3, nhm IIIA D. Tt c u sai.Cu 7. Nguyn t X nm th 26 ca bng HTTH, v tr ca nguyn t X trong bng HTTH l:

A. Chu k 3, nhm VIIIB. B. Chu k 4, nhm VIIIA.C. Chu k 4, nhm VIIIB D. Chu k 3, nhm VIIIA.

Cu 8. Nhng iu khng nh no sau y sai?A. Trong chu k, cc nguyn t c sp xp theo chiu tng dn ca in tch ht nhn.B. Trong chu k, cc nguyn t c sp xp theo chiu gim dn s hiu nguyn t.C. Nguyn t ca cc nguyn t trong cng mt chu k c s lp electron bng nhau.D. Chu k bao gi cung x bt u lmt kim loi kim v kt thc l mt halogien.

Cu 9. Hai nguyn t X v Y ng k tip nhau trong cng mt chu k ca bng HTTH v c tng in tchht nhn l 25. V tr ca nguyn t X v Y trong bng HTTH l:

A. X thuc chu k 3, nhm IIA. Nguyn t Y thuc chu k 3, nhm IIIA.B. X thuc chu k 3, nhm IIIA. Nguyn t Y thuc chu k 3, nhm IVA.C. X thuc chu k 3, nhm IIA. Nguyn t Y thuc chu k 3, nhm IVA.D. Kt qu khc.

Cu 10. Anion M- v cation N+ c cu hnh electron tng t nhau. iu khng nh no sau y lun ng?

A. S proton trong ht nhn nguyn t M v N nh nhau.B. S electron trong lp v ngoi cng ca nguyn t M nhiu hn trong lp v ngoi cng ca

nguyn t N l 2.C. S electron trong lp v nguyn t M t hn trong lp v ca nguyn t N l 2.D. Nguyn t M v N phi nm trn cng mt chu k trong bng HTTH.


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Cu 11. Nguyn T M thuc nhm A. M to c ion M3+ c tng s ht p, n, e l 37. V tr ca M trong bngHTTH l:

A. Chu k 3, nhm IVA. B. Chu k 4, nhm IIIA.C. Chu k 3, nhm IIIA D. Tt c u sai.

Cu 12. Trong mt chu k, s oxiho cao nht ca cc nguyn t nhm A trong oxt bin i th no?A. Tng dn. B. Gim dn. C. Mi u tng sau gim dn.D.Mi u gim sau tng dn.

Cu 13. Nguyn t ca mt s nguyn t c cu hnh electron nh sau:X: 1s22s22p63s1. Y:1s22s22p63s23p5. Z: 1s22s22p63s23p6. T: 1s22s22p63s23p1.

Cc mnh no sau y ng?A.C 4 nguyn t u thuc chu k 3.B. Cc nguyn t X, Y l kim loi, Z, T l phi kim.C. Mt trong 4 nguyn t l kh him.D. A v C ng.

Cu 14.Nguyn t X c cu hnh electron l: 1s22s22p63s2. Ion X2+ c cu hnh electron l:A. 1s22s22p5 B. 1s22s22p63s1 C. 1s22s22p6 D. 1s22s22p63s23p6.

Cu 15. Cation M+ C cu hnh electron kt thc phn lp 3p6.a, Nguyn t M thuc:

A. Chu k 2, nhm VIA. B. Chu k 3, nhm IA.C. Chu k 4, nhm IA D. Chu k 4, nhm VIA.

b, Nguyn t M c STT l:A. 16 B 17 C .18 D. 19.Cu 16.C cu bn ca kh tr l:

A. C cu bn duy nht m mi nguyn t trong phn t bt buc phi t c.B. C cu c 8 electron lp ngoi cng.C. C cu c mt lp electron duy nht l 2e hoc t 2 lp tr ln vi 8e lp ngoi cng.D. A v C ng.

Cu 17. X l kim loi ho tr II v Y l kim loi ho tr III. Tng s ht p, n, e trong mt nguyn t X l 36,trong nguyn t Y l 40. X , Y l kim loi no sau ay?

A.Ca v Al B. Mg v Cr C. Mg v Al D. Kt qu khc.Cu 18. Cho cu hnh electron lp ngoi cng ca cc nguyn t sau: X : 3s23p1. Y : 3s23p4. Z : 2s22p2. V tr

ca cc nguyn t X , Y , Z trong bng HTTH l:A. X c stt=13, chu k 3, nhm IIIA ; Y c stt=16, chu k 3, nhm VIA; Z c stt= 6, chu k 2,nhm IVA.

B. X c stt=13, chu k 3, nhm IIIA ; Y c stt=15, chu k 3, nhm VIA; Z c stt= 6, chu k 3,nhm VIA.

C. X c stt=12, chu k 3, nhm IIIA ; Y c stt=16, chu k 3, nhm IIIA; Z c stt= 6, chu k 3,nhm VIA.

D. Tt c u sai.Cu 19. Anion X- c cu hnh electron phn lp ngoi cng l 2p6. Nguyn t X c cu hnh electron l:

A. 1s22s22p5 B. 1s22s22p6 C. 1s22s22p4 D. A v C ng.Cu 20. Nguyn t R c 3 electron phn lp 3d. V tr ca R trong bng HTTH l:

A. 23,chu k 4, nhm VB. B. 25, chu k 4, nhm VIIB.C. 24, chu k 4, nhmVIB. D.Tt c u sai.II. S bin i tun hon cu hnh electron, tnh cht ca cc nguyn t.Cu 1. Nhng tnh cht no sau y bin i tun hon theo chiu tng dn ca in tch ht nhn:

A. Khi lng nguyn t. B. S electron lp ngoi cng.C. Ho tr cao nht i oxi. D. S lp electron.E. S electron trong nguyn t.G. Thnh phn v tnh cht ca cc oxt, hiroxt cao nht.F. S prtn trong nguyn t.

Cu 2. Xt cc nguyn t: Cl, Al , Na, P, F. Dy th t tng dn bn knh nguyn t no sau y ng?A. F < Cl < P < Al < Na. B. F < Cl < P < Na < Al.


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Cu 14. Hiroxt cao nht ca mt nguyn t R c dng HRO4 . R to hp cht kh vi hiro cha 2,74%hiro theo khi lng. R l nguyn t no sau y?

A. Brm B. Clo C. It D. Flo.Cu 15.

N TP CHNG IICu 1. Ba nguyn t X, Y, Z thuc cng nhm A v 3 chu k lin tip.Tng s proton trong ba nguyn tbng 70. ba nguyn t l:

A. Be, Mg, Ca B. Sr, Cd, Ba C. Mg, Ca, Sr D.Tt c u sai.Cu 2. Hai nguyn t X, Y ng k tip nhau trong cng mt chu k ca bng tun hon, c tng in tch

dng ca ht nhn bng 25.a,V tr ca X, Y trong bng h thng tun hon l?A. X thuc chu k 3, nhm IIA; Y thuc chu k 2, nhm IIIA.B. X thuc chu k 3, nhm IIA; Y thuc chu k 3, nhm IIIA.C. X thuc chu k 2, nhm IIIA; Y thuc chu k 3, nhm IIIA.D. Tt c u sai.

b, Tnh kim loi ca:A. X mnh hn Y. B. Y mnh hn X C. khng th xc nh c.

Cu 3. Cho cu hnh electron ca cc nguyn t sau:a, 1s22s22p63s2. b, 1s22s22p63s23p63d54s2.c, 1s22s22p63s23p5. d, 1s22s22p6.

e, 1s2

2s2

2p6

3s2

3p6

3d8

4s2

. f, 1s2

2s2

2p6

3s1

.g, 1s22s22p63s23p3. h, 1s22s22p63s23p63d104s24p5.Cc nguyn t kim loi nm trong cc tp hp no sau y?

A. a, c, d, e B. b, c, e C. a,b,e, f. D. a,b,d,e.Cc nguyn t phi kim nm trong cc tp hp no sau y?

A. b, c, h. B. c, d, g C. a, g, h. D. c, g, h.Cu 4. Nguyn t X c cu hnh electron l: 1s22s22p5. th ion to ra t X c cu hnh electron l?

A. 1s22s22p4. B. 1s22s22p63s2. C. 1s22s22p6. D. Tt c u sai.Cu 5. Cho nguyn t 1939X . X c c im:

A. L nguyn t thuc chu k 4, nhm IA.B. S notron trong nguyn t X l 20.C.

X l nguyn t kim loi v c tnh kh mnh, c cu hnh ion X

+

l 1s

2

2s

2

2p

6

3s

2

3p

6

.D. Tt c u ng.Cu 6. Cho k hiu cc nguyn t sau: 1735X, 1327 Y , 1737T , 1224U , 1531V , 1223R.

a, Cc nguyn t l ng v ca nhau l:A. X v Y; Y v T B. X v T; U v R C. Y v U; V v R. D. Tt c u sai.

b, Nguyn t c s notron ln nht l?A. X B. T C. V D. R.

Cu 7.Cho cu hnh electron ca cc nguyn t A, B, C, D, E nh sau:A: 1s22s22p63s23p634s1. B: 1s22s22p63s1. C: 1s22s22p63s23p4

D: 1s22s22p4 E: 1s22s22p5. G: 1s22s22p63s23p1.1/ Th t gim dn tnh kim loi ca cc nguyn t l:

a. A > B > C b, B > A > G c, G > B > A. d, A > B > G.2/ Th t gim dn tnh phi kim ca cc nguyn t l:a, D > E > C b, E > D > C c, C > E > D d, E > C > D.

Cu 8. Cho hai nguyn t X v Y hai chu k k tip nhau v thuc cng mt phn nhm chnh trong bngh thng tun hon. Tng s in tch ht nhn ca hai nguyn t ny l 32. X v Y l :

A. Ca v Sr B. Mg v Ca. C. Sr v Ba. D. Na v K.Cu 9. Hai nguyn t X v M thuc cng mt chu k, u thuc nhm A.Tng s proton ca M v X bng28. M v X to c hp cht vi hiro trong s nguyn t hiro bng nhau v nguyn t khi ca M nhhn ca X. Cng thc phn t ca MX l:

A. KF B. NaCl C. CaO D. MgS.


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Cu 10. Cho hai nguyn t X v Y hai chu k k tip nhau v thuc cng mt phn nhm chnh trong bngh thng tun hon. Tng s in tch ht nhn ca hai nguyn t ny l 30. X v Y l :

A. Li v Na B. Na v K. C. Mg v Ca. D. Be v Mg.Cu 11. Nguyn t A c cng thc oxt cao nht la AO2, trong phn trn v khi lng cua A va cua O bng nhau.Nguyn t A la:

A. C B. N C.S D. Tt ca u sai.Cu 12.Nguyn t R c cng thc oxt cao nht la RO2, hp cht vi hiro cua R cha 75% khi lng cua R. Nguyn t Rla:

A. C B. S C. Cl D.Si

Cu 13.Nguyn t R thuc nhm VIA trong bang HTTH .Trong oxt cao nht R chim 40% v khi lng.Cng thc oxt la:A. SO3 B. SO2 C. SeO3 D. Kt qua khc.

Cu 14. Nguyn t M thuc nhm IIA. Cho 6gam M tc dng ht vi nc thu c 5,6 lt kh hiro ktc.(PTP: M + H2O M(OH)2 + H2 ). M la nguyn t nao sau y:

A. Be B. Mg C. Ca D. Ba.Cu 15. Trong mt chu ky cua bang HTTH khi i t tri sang phai th:

A. Bn knh nguyn t tng.B. m in giam.C. Tnh kim loi giamD. Tnh phi kim giam.

Cu 16. Cp nao gm nhng nguyn t c tnh cht ho hoc ging nhau nht ?A. O va N B. Li va K C. Mg va Al D. S va Cl.Cu 17. Day nao sau y c sp xp theo chiu tng dn bn knh nguyn t ?

A. H, K, Li, Na, Cs. B. H, Li, K, Na, Cs C. H, Li, Na, K, Cs. D. H, Na, Li, k, Cs.Cu 18. Nguyn t nao sau y c tnh cht ho ho hoc ging vi phtpho nht.

A. Si B. S C. As D. Sb.Cu 19. Nguyn t X c Stt = 25. V tr cua X trong bang HTTH la:

A. Chu ky 3, nhm VIA B. Chu ky 4, nhm VIIIBC. Chu ky 4, nhm VIB D. Tt ca u sai.

Cu 20. Nguyn t A ( Z= 13), nguyn t B c ( Z = 16).A. Tnh kim loi cua A > B. B. Bn knh nguyn t cua A > B.

C. m in cua A < B D. Tt ca u ng.Cu 21. Trong ky hiu zAX th :A. A la s khi lun nguyn va la khi lng nguyn t gn ng cua X.B. Z la s electron lp vo, la in tch ht nhn.C. Z la s ht prtn.D. Tt ca u ng.

Cu 22. Pht biu nao sau y la cha chnh xc ? Trong mt chu ky:A. i t tri sang phai cc nguyn t c sp xp theo chiu in tch ht nhn tng dn.B. i t tri sang phai cc nguyn t c sp xp theo chiu bn knh nguyn t tng dn.C. Tt ca u c cung s lp electron.D. i t tri sang phai, m in j tng dn.

Cu 23. Mt nguyn t R to c hp cht kh vi hiro dng RH3. Trong oxt bc cao nht cua R, nguyn t oxi chim 74,07%v khi lng.Nguyn t R la?A. Nit B. Phtpho C. Ccbon D. Lu huynh.

Cu 24. S electron c thn trong nguyn t Mn ( Z= 25) mc nng lng cao nht la?A. 1 B. 3 C. 5 D. 7

Cu 25. Nguyn t nao ma trng thi c ban cua n c s electron c thn la ln nht ?A. S ( Z= 16) B. P ( Z = 15) C. Ge( Z = 32) D. Al ( Z= 13).

Cu 26. Cho cc nguyn t: 4Be , 20Ca , 38Sr , 12Mg .a, Tnh kim loi tng dn theo th t:

A. Mg , Be , Ca , Sr B. Be , Mg , Ca, Sr.C. Ca , Mg, Sr, Be. D. Sr , Ca, Mg, Be.


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b, Th t giam dn tnh baz cua cc oxt la:A. CaO , MgO , BeO , SrO. B. BeO , MgO , CaO, SrO.C. SrO , CaO , MgO , BeO. D. MgO , SrO , CaO , BeO.

c, Th t tng dn tnh baz cua cc hiroxt la:A. Be(OH)2, Mg(OH)2, Ca(OH)2, Sr(OH)2. B. Be(OH)2,Sr(OH)2, Mg(OH)2, Ca(OH)2 .C Sr(OH)2 ,Ca(OH)2, Be(OH)2, Mg(OH)2 . D. Ca(OH)2 ,Be(OH)2, Mg(OH)2, Sr(OH)2.

Cu 27. Cho cc nguyn t: 9F , 17Cl , 53I , 35Br.a, Th t tng dn tnh phi kim la:

A. F , Cl , Br , I B. I , Br , Cl , F. C. Cl , Br , I , F D. Br ,I , Cl , F.

b, Tnh axt cua cc oxt giam dn theo th t:A. I2O7 , Br2O7 , Cl2O7 , F2O7. B. F2O7 , I2O7 , Br2O7 , Cl2O7 .C. F2O7 , Cl2O7, Br2O7, I2O7. D. F2O7 , Br2O7, Cl2O7 , I2O7.

c, Tnh axt cua cc hiroxt tng theo th t:A. HClO4 , HBrO4 , HFO4 , HIO4. B. HClO4 , HFO4 , HIO4, HBrO4 .C. HClO4 , HBrO4 , HIO4 , HFO4. B. HIO4, HBrO4 .HClO4 , HFO4 .

Cu 28. Cho cc nguyn t: 11Na , 12Mg , 13Al , 14Si , 15P , 16S , 17Cl.a, m in cua cc nguyn t giam theo th t:A. Cl , P , S , Si , Al , Mg , Na. B Cl , S , P , Si , Al , Mg , Na.C. Cl ,Si , P , S , Al , Mg , Na. D. P , Si , Cl , S , Al , Mg , Na.b, Bn knh nguyn t cua cc nguyn t giam dn theo th t:

A. Cl , S , P , Si , Al , Mg , Na. B. Al , Mg , Na, Cl , S , P , Si .C. Cl ,Si , P , S , Al , Mg , Na. D. Na ,Mg ,Al , Si ,P , S , Cl .c, Ho tr cua cc nguyn t vi hiro tng theo th t:

A. P , Si , Cl , S. B. Si , P , S , Cl C. Cl, S, P, Si. D. S, Cl, Si, P.d, Tnh axt cua cc axt to ra t cc nguyn t trn tng theo th t:

A.Si, P, S, Cl. B. P ,Si, S, Cl. C. Cl, S, P , Si. D. S, Cl, Si, P., 19K12 , 12Mg , 13Al .

a, Tnh kim loi tng theo th t:A. Mg, Al, Na, K B. Al, Mg, Na, K C. K, Na, Mg, Al. D. Na, K, Mg, Al.

b, Tnh baz cua Cu 29. Cho cc nguyn t: 11Na cc oxt to ra t cc nguyn t trn giam theo th t:A. Na, K, Mg, Al. B. K, Mg, Al, Na. C. K, Na, Mg, Al. D. Al, Mg, Na, K.

c, Tnh baz cua cc hiroxt to ra t cc nguyn t trn tng theo th t:A. Al, Mg, Na, K B. K , Na, Mg, Al C. Mg, Na, K , Al D. Al, Mg, Na, K.d, m in cua cc nguyn t tng theo th t:

A. K, Na, Al, Mg B. Na, K, Mg, Al C. Mg, Al, Na, K D. K, Na, Mg, Al.Cu 30. Cho cc nguyn t: N, O, F ,Cl, S c gi tr m in ln lt la: 3,04 ; 3,44 ; 3,98 ; 3,16; 2,58.

Tnh phi kim cua cc nguyn t trn tng theo th t:A. N, Cl, O, S, F B. Cl, S, F , N, O C. O, Cl, N, S, F D. S , N, Cl, O, F.

Cu 31. Cho kim loi nhm IA tan hoan toan vao nc. Khi thy thot ra 5,6lt kh Hiro (ktc) th a c 19,5 gamkim loi b hoa tan. Kim koi a cho la:

A. Li B. Na C. K D.Mg.Cu 32. Hoa tan hoan toan 4gam oxt cua kim loi ho tr II vao dd HCl 0,5M thy lng axt cn dung ht 200ml.

Kim loi a cho la:A. Zn B. Cu C. Fe D. K

Chng III.A. Khi nim v lin kt ho hc- LK ion, LK CHTCu 1. Hy cho bit trong nhng cu sau y, cu no ng(), cu no sai(S) v in vo ch trng chothch hp.

Ni dung S

A Trong n cht phi kim, cc nguyn t thng linkt vi nhau theo mt s nguyn t nht nh.


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B Trong n cht phi kim, cc nguyn t thng linkt vi nhau theo mt s nguyn t nht nh.

C Phn t kh hiro v kh oxi u gm hai nguyn tcng loi lin kt vi nhau.

D Phn t kh hiro v kh oxi u gm hai nguyn tcng loi lin kt vi nhau.

Cu 2. Hy in nhng t hoc nhng cm t thch hp vo ch trng trong cc cu sau y:Trong phn t H2S, nguyn t lu hunh b ra .....(1)... to thnh(2).chung vi(3)Mi(4)

.trong phn t H2S (5)Mi nguyn t hiro(6), cn nguyn t lu hunh(7).Cu 3. Cu hnh electron lp ngoi cng ca cc nguyn t l ns1 th lin kt ca cc nguyn t ny vinguyn t clo thuc loi lin kt no sau y:

A. Lin kt cng ho tr. B. Lin kt ion.C. Lin kt cho nhn. D. Khng xc nh c.

Cu 4. Cation R+ c cu hnh electron phn lp ngoi cng l 2p6 . Lin kt gia nguyn t ca nguyn tR vi nguyn t hiro thuc loi lin kt no sau y?


Cu 5. Cu hnh electron lp ngoi cng ca cc nguyn t l ns2np5 th lin kt ca cc nguyn t ny vinguyn t hiro thuc loi lin kt no sau y:

A. Lin kt cng ho tr. B. Lin kt ion.C. Lin kt cho nhn. D. Lin kt cng ho tr phn cc.Cu 6. Anion X- c cu hnh electron phn lp ngoi cng l 2p6 . Lin kt giua nguyn t ca nguyn tX vi Liti kim loi thuc loi lin kt no sau y?


Cu 7. Cho cc hp cht hoc ion sau: CaO (1), CuCl2 (2), Ca(OH)2 (3), NaClO3 (4), H2S(5), SO42- (6),Na2SO3(7).Trong cc phn t hoc ion th phn t hoc ion c lin kt ion l:

A. (1), (2), (3),(5), (6). B.(1), (2), (3),(4), (7).C. (1), (3),(4), (5), (7) . D. C A, B , C u sai.

Cu 8. Cho cc hp cht hoc ion sau: NH3 (1), CO (2), OCl- (3), NO2+ (4), HCN(5), MgO (6), Al2O3(7),

Cu(OH)2. Trong cc phn t hoc ion th phn t hoc ion c lin kt cng ho tr l:A. (1), (2), (5), (8). B.(1), (2), (3),(5), (8).C. (2), (3),(4), (5). D. (1), (2), (3),(4), (5).

Cu 9.Hai nguyn t X v Y nm cng mt hng ca bng tun hon v c theo th t 1 v 6 electron lp ngoi cng.Nu gia X v Y hnh thnh hp cht th lin kt trong phnh t XY thuc loi lin kt nosau y?


Cu 10. Cho 3 nguyn t X (ns1), Y (ns2np1), Z ( ns2np5) vi n=3 ol lp electron ngoi cng ca X,Y,Z. Cutr li no sau y l sai?

A. Lin kt gia Y v X l lin kt cng ho tr.

B. Lin kt gia X v Y l lin kt ion.C. Lin kt gia Y v X l lin kt ion.D. X v Y l kim loi, Z l phi kim.

Cu 11. Cc nguyn t X v Y phn ng to thnh hp cht Z theo phng trnh ho hc sau:4X + 3Y 2Z.

Gi thit X v Y v , nh vy:A. 1 mol Y phn ng vi 3/4 mol X. B. 1 mol Y phn ng vi 2/3 mol Z.C. 1 mol Z phn ng vi 3 mol Y. D. 1 mol Z phn ng vi 1/2 mol X.

B. S hnh thnh lin kt n, lin kt i v lin kt ba.S lai ho obitan trong nguyn t.Cu 1. Hy cho bit trong nhng cu sau y,cu no ng (), cu no sai (S) .


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Cu 2. Cho cc phn t sau: C2H2 (1), BF3(2) BeCl2 (3), C2H4(4), CH4(5), Cl2(6), H2(7), H2O(8), NH3(9),HCl(10). Trong cc phn t trn s hnh thnh lin kt trong cc phn t nh:

a, S lai ho sp cc AO ho tr l:A. (1), (3), (6). B.(1), (2),(3), (5). C.(1), (3),(4), (7). D.(1), (3).b, S lai ho sp2 cc AO ho tr l:A. (2),(4). B.(2),(6). C. (2), (3), (4). D. A,B,C sai.c, S lai ho sp3 cc AO ho tr l:A.(5), (6),(8), (10). B.(5), (8),(9). C.(3), (5),(8), (9). D.(5), (6),(8), (9).

Cu 3. Hy in vo nhng cm t thch hp vo ch trng trong cc cu sau y:

Nguyn nhn ca s lai ho l(1). cc phn lp(2)c(3)v(4)cn phi ng nht to(5)vi cc nguyn t khc.Mt electron ca cc (6)tham gia lai ho phi (7)(8)ca obitan lai ho vi cc

(9) ln to lin kt bn.Cu 4. Cho cc phn t v ion: CO, NO+, CN-, s lin kt v lin kt trong cc hp cht v ion trn l:

A. 1 lin kt v 2 lin kt . B. 1 lin kt v 1 lin kt .C. 1 lin kt v 2 lin kt cho nhn. D.1 lin kt ,1 lin kt v 1 lin kt cho nhn.

Cu 5. Trong phn t Nit c:A. 1 lin kt ba. B. 1 lin kt v 2 lin kt .C. 1 lin kt cng ho tr phn cc. D. 1 lin kt v 2 lin kt .

Cu 9. Cho cc phn t H2S (1), H2O (2), CaS (3), CsCl (4), BaF2 (5),NH3 (6). phn cc ca cc lin kt

trong cc phn t trn tng theo chiu no sau y ( m in ca Cs = 0,79, Ba = 0,89, Cl= 3,16, Ca = 1, Al= 1,61, F = 3,98, N = 3,04, O = 3,44, S = 2,58, H = 2,20) :A. (1) < (2) < (6) < (3) < (4) < (5)B. (1) < (6) < (2) < (3) < (4) < (5)C. (6) < (2) < (1) < (3) < (4) < (5)D. Kt qu khc

Cu 10. Kt lun no sau y sai?A. Lin kt trong phn t NH3, H2O, H2S l lin kt cng ho tr phn cc.B. Lin kt trong phn t BaF2 v CsCl l lin kt ion.C. Lin kt trong phn tCaS v AlCl3 l lin kt ion v c hnh thnh gia kim loi v phi kim.D. Lin kt trong phn t Cl2, H2, O2, N2, l lin kt cng ho trkhng cc.

Cu 11. Cho cc cht sau: CaCl2, K2S, CaS, Al2S3, AlCl3, KF. Lin kt cng ho tr phn cc c trong cc chtno sau y:A. CaCl2, K2S, CaS, Al2S3. B. K 2S, CaS, Al2S3, KFC. CaCl2, CaS, Al2S3, AlCl3, KF. D. CaS, Al2S3, AlCl3.

Cu 12. X, Y, Z l nhng nguyn t c s in tch ht nhn l 9, 19, 16. Nu cc cp X v Y, Y v Z, X v Zto thnh lin kt ho hc th cc cp no sau y c th l lin kt cng ho tr c cc:

A. Cp X v Y, cp Y v Z. B. Cp Y v Z, cp X v Z.C. Cp X v Y, cp X v Z. D. C 3 cp.

Cu 13. Cho cc cht sau: kim cng, O2, N2, H2O, CO2, kh him. Nu nhit thp th trong s cc chttrn, cht c mng tinh th phn t l:

A. O2, N2, CO2, H2O, kh him. B. Kim cng, O2, N2, CO2.

Ni dung S

A S lai ho sp3 lm cho phn t H2Oc dng tamgic c gc lin kt bng 104,50.

B S lai ho sp3 lm cho phn t H2Oc dng tamgic c gc lin kt bng 104,50.

C Kiu lai ho t din lm cho phn t NH3 c gclin kt bng 109028

D Kiu lai ho t din lm cho phn t NH3 c gclin kt bng 1070.


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C. O2, CO2, H2O, kh him. D. N2, CO2, kh him.Cu 14. Cho cc phn t sau: MgCl2, AlCl2, KCl, HBr, Br2, O2, trong cc phn t trn, phn t no c lin ktcng ho tr c cc?

A. MgCl2, AlCl3, Br2, KCl. B. MgCl2, AlCl3, HBr.C. MgCl2, AlCl3, HBr, H2. D. Kt qu khc.

Cu 15. Cho cc dy oxit sau: K2O, CaO, Al2O3, SiO2, SO3, Cl2O7, P2O5, trong cc oxit trn, lin kt trongphn t oxit no thuc lin kt cng ho tr?

A. SiO2, SO3, P2O5, Cl2O7. B. SiO2, SO3, P2O5, K2O.C. SiO2, SO3, P2O5, Al2O3. D. SO3, P2O5, SiO2, CaO.

Cu 16. Cho cc phn t sau: Cl2O, NCl3, NO, H2S, NH3, trong cc phn t trn, phn t c lin kt phn ccmnh nht l:A. H2S B. NO, NH3 C. NH3 D. NH3, Cl2O.

Cu 17. Cho cc nguyn t X, Y, Z c s hiu nguyn t ln lt bng 8, 16, 19. Chiu tng dn phn cclin kt trong hp cht vi hiro ca cc nguyn t l dy no sau y?

A. Y- H < Z H < X H B. Z H < X H < Y- HC. X H < Z H < Y- H D. Khng xc nh c.

Cu 18. Cho phn t cc cht: CH4, CaO, MgO, AlN, NaBr, BCl3, AlCl3. Chiu tng dn phn cc lin ktca cc nguyn t trong cc cht trn l dy no sau y:

A. CH4, BCl3, AlN, AlCl3, NaBr, MgO, CaO.B. CH4, AlN, AlCl3, BCl3, NaBr, CaO, MgO.

C. CH4, BCl3, AlCl3, AlN, NaBr, MgO, CaO.D. Tt c u sai.Cu 19. Dy no trong cc dy hp cht di y cha hp cht c phn cc ca lin kt tng dn:

A. CO2, SiO2, ZnO, CaO. B. CaCl3, ZnSO4, CuCl2, Na2O.C. FeCl2, CaCl2, NiCl, MgCl2. D. NaBr, KBr, NaCl, LiF.

N CHNG IIICu 1. Hai nguyn t X v Y u nhm A, X tc dng vi dd HCl gii phng kh H2. S electron ngoicng ca nguyn t Y bng s lp electron ca nguyn t X.S hiu nguyn t ca X bng 7 ln s hiunguyn t ca Y. X v Y c th to thnh hai hp cht M v N

a) Lin kt gia cc nguyn t trong phn t M thuc loi lin kt no sau y:A. Lin kt ion. B. Lin kt cng ho tr.

C. Lin kt cho nhn D. Khng xc nh c.b) Lin kt gia cc nguyn t trong phn t N thuc loi lin kt no sau y:A. Lin kt cng ho tr. B. Lin kt ion.C. Lin kt ion v lin kt cng ho tr.D. Lin kt ion v lin kt cho nhn.

Cu 2. Cho cc hp cht sau: K2SO4 (1), CaOCl2 (2), Mg(NO3)2 (3), Fe(HCO3)2 (4). Trong cc hp cht trn,hp cht no c:

a) Lin kt ion, cng ho tr:A. (1), (2) B. (2), (4) C. (2), (3) D. Tt c u sai.

b) Lin kt ion , cng ho tr, cho nhn:A. (1), (3) B. (1), (4) C. (3), (4) D. (1), (2), (3).

Cu 3. Pht biu no sau y ng?Khi cc nguyn t lin kt vi nhau to phn t th d lin kt theo loi no vn phi tun theo nguyn tc:A. Sau khi lin kt thnh phn t, mi nguyn t u c lp v ngoi cng cha 8 electron.B. Sau khi lin kt thnh phn t, mi nguyn t phi t c cu hnh electron ging nh cu hnh

electron kh him gn n nht trong bng tun hon.C. Khi lin kt phi c mt nguyn t nhng electron v mt nguyn t nhn electron.D. Tt c u ung.

Cu 4. Cho phn t cc cht sau: AgCl, N2, HBr, NH3, H2O2, NH4NO2. Trong cc phn t trn, phn t no clin kt cho nhn:

A. NH4NO2 v NH3 B. NH4NO2 v H2O2C. NH4NO2 D. Tt c u sai.


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A. MgCl2 v Na2O. B. Na2O v NCl3C. NCl3 v HCl D. HCl v KCl.

Cu 21. Ch ra gi tr ln nht ca cc lin kt cng ho tr c th c to thnh bi mt nguyn t c cuhnh electron ngoi cng 3s23p4 ?

A. 2 B. 3 C. 4 D. 6.Cu 22. Kh nng ca mt nguyn t ht cc electron ca mt nguyn t khc trong lin kt c m t:

A. Ai lc in t B. m in C. in th ion ho D. T tnh.Cu 23. Nu nguyn t X c 3 electron ho tr v nguyn t Y c 6 electron ho tr, cng thc cn c ca hpcht ion n gin nht gm X v Y l?

A. XY2 B. X2Y3 C. X2Y2 D. X3Y2.CHNG IV:PHN NG HO HC.Cu 1. Hy chn cu sai trong cc cu sau:

A. Trong phn ng phn hu, s oxi ho ca cc nguyn t c th thay i hoc khng thay i.B. Trong phn ng ho hp, s oxi ho ca cc nguyn t khng thay i.C. Trong phn ng th, bao gi cng c s thay i s oxi ho ca cc nguyn t.D. Trong phn ng trao i, s oxi ho ca cc nguyn t khng thay i.

Cu 2. C phng trnh ho hc:

K2CO3 + 2HCl 2KCl + CO2 + H2OPhng trnh ho hc trn thuc loi phn ng: A. Oxi ho- kh B. Trao i

C. Phn ng th D. Kt qu khc.

Cu 3. Hy chn cu ng trong cc cu sau:A. Cht kh l cht c s oxi ho gim.B. Cht oxi ho l cht c s oxi ho gim.C. S oxi ho ng vi s gim s oxi ho ca mt nguyn t.D. S kh ng vi s tng s oxi ho ca mt nguyn t.

Cu 4. Hy chn cc th d ct (II) cho ph hp vi cc khi nim ct (I).

Cu 5. Hy chn cu ng trong cc cu sau y:A. Hp cht giu oxi dng iu ch oxi.

Cc khi nim Cc v d (II)1. Phn ng c thay i s oxi ho cc nguyn t:A. a, e, h B.e, i, k C. e, h, i D. e, h, I, k2. Phn ng trao i:

A. a, b, d B. b, c, i C. c, d, h D. b, d3. Phn ng ho hp:A. a, c B. a, b, c C. a, c, e D. b, c, i4. Phn ng phn hu:A. e, h B. e, h, i C. h D. c, i, h

a) Na2O + H2O

b) Na2O + H2SO4

c) K2O + CO2

d) CuO + HCl e) Fe + Cl2 0t

h) Al(OH)2 0t

i) Na + H2O k) Fe + HCl


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B. Phn ng phn hu l phn ng dng iu ch oxi trong phng th nghim.C. Thu kh oxi qua nc v kh oxi t tan trong nc.D. Thu kh oxi bng cch y khng kh ra khi l.

Cu 6. Pht biu no sau y sai:A. S oxi l s lm tng s oxi ho ca mt nguyn t.B. S kh l s lm gim s oxi ho ca mt nguyn t.C. S oxi ho ca mt nguyn t chnh l ho tr ca nguyn t D. Cht oxi ho l cht cha nguyn t c s oxi ho gim.

Cu 7. Phn ng ho hc no sau y c coi l khng hp l?

A. 2FeCl3 + H2S 2FeCl2 + S + 2HClB. H2S + CuCl2 CuS + 2HClC. H3PO4 + 2NaOH Na2HPO4 + 2H2OD. CuS + 2HNO3 Cu(NO3)2 + H2S.

Cu 8. Hy sp xp cc cp oxi ho kh sau y theo th t tng dn tnh oxi ho ca cc ion kim loi:Fe2+/ Fe (1) ; Pb2+/ Pb (2) ; Ag+/Ag (3) ; 2H+/H2 (4) ; Na+/Na (5) ; Fe3+/Fe2+ (6) ; Cu2+/Cu (7).

A. (5) < (2) < (2) < (4) < (7) < (6) < (3)B. (5) < (1) < (4) < (2) < (7) < (6) < (3)C. (1) < (5) < (2) < (4) < (6) < (7) < (3)D. Tt c u sai.

Cu 9. Nhng thanh kim loi M vo dung dch NiSO4, sau mt thi gian thy khi lng thanh kim loi gim0,12g. Kim loi c ho tr II v s mol NiSO4 phn ng l 0,02 mol. M l kim loi no sau y:

A. Ca B. Zn C. Cd D. Fe.Cu 10. Cho phn ng ho hc sau:

M2Ox + HNO3 M(NO3)3 + NO + H2OVi gi tr no ca x phn ng trn s l phn ng oxi ho- kh hoc phn ng trao i?

a) Phn ng oxi ho kh:A. 1 B. 2 C. 1 hoc 2 D. A v B ng

b) Phn ng trao i:A. 2 B. 3 C. A v B ng D. p s khc.

Cu 11. Phn ng gia dung dch Kali pemanganat trong mi trng axit vi ion iotua c biu din bngphng trnh no di y?

A. 2MnO4- + 5I- + 16H+ 2Mn2+ + 8H2O + 5I2B. MnO4- + 10I- + 2 H+ Mn2+ + H2O + 5I2 + 11e.C. 2MnO4- + 10I- + 16H+ 2Mn2+ + 8H2O + 5I2D. MnO4- + 2I- + 8 H+ Mn2+ + 4 H2O + I2 .

Cu 14. Cho cc dd X1( dd HCl) ; X2 ( dd KNO3) ; X3 ( dd HCl + KNO3) ;X4 ( dd Fe2(SO4)3 ). Dung dch noc th ha tan c bt Cu ?

A. X1, X4 , X2. B. X3, X4. C.X1, X4 , X2 , X3 . D. X3, X2.Cu 15. Cho cc PHH sau:

a, HNO3 + H2S NO + S + H2O.

b, Cu + HCl + NaNO3

CuCl2 + NO

+ NaCl + H2O.c, CrCl3 + NaOCl + NaOH Na2CrO4 + NaCl + H2O.H s cn bng ca cc P trn ln lt l:

a, A. 2,3,2,3,4. B. 2,6,2,2,4. C. 2,2,3,2,4. D. 3,2,3,2,4. b, A. 3,4,2,3,3,2,4 B. 2,6,2,6,4,2,4 C. 3,4,2,3,4,2,4 D. 3,8,2,3,2,2,4.c, A. 2,6,4,2,3,4 B. 4,6,8,4,3,4 C. 2,3,10,2,9,5 D. 2,4,8,2,9,8.

Cu 16. Cho cc PHH sau:a, K2S + KMnO4 + H2SO4 S + MnSO4 + K2SO4 + H2O. b, Mg + HNO3 Mg(NO3)2 + NH4NO3 + H2Oc, CuS2 + HNO3 Cu(NO3)2 + H2SO4 + N2O + H2O


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d, K2Cr2O7 + KI + H2SO4 Cr2(SO4)3 + I2 + K2SO4 + H2OH s cn bng ca cc phn ng trn ln lt l:

a, A. 5, 2, 4, 5, 2, 6, 4 B. 5, 4, 4, 5, 2, 6, 4C. 5, 4, 8, 5, 2, 6, 4 D. 5, 2, 8, 5, 2, 6, 8

b, A. 4, 5, 4, 1, 3 B. 4, 8, 4, 2, 4C. 4, 10, 4, 1, 3 D. 2, 5, 4, 1, 6

c, A. 4, 22, 4, 8, 7, 3 B. 4, 12, 4, 4, 7, 8C. 3, 12, 4, 8, 7, 6 D. 4, 22, 4, 4, 7, 4

d, A. 2, 3, 4, 1, 2, 3, 4 B. 2, 6, 3, 1, 3, 4, 4

C. 1, 4, 7, 2, 3, 4, 7 D. 1, 6, 7, 1, 3, 4, 7Cu 17. S oxi ho ca N c sp xp theo th t tng dn nh sau:A. NO < N2O < NH3 < NO3-

B. NH4+ < N2 < N2O < NO < NO2- < NO3-

C. NH3 < N2 < NO2- < NO < NO3-

D. NH3 < NO < NO2 < N2O5E. Tt c u sai.

Cu 18. Cho cc phn ng ho hc sau:a, MnO2 + H+ + Cl- Cl2 + H2O + Mn2+

b, O3 + Cl- + H+ Cl2 + O2 + H2Oc, MnO4- + Cl- + H+ Cl2 + H2O + Mn2+

d, Cr2O7- + Cl- + H+ Cr3+ + Cl2 + H2Oe, FeS2 + HNO3 + HCl FeCl3 + H2SO4 + NO + H2Of, CrCl3 + Br2 + NaOH Na2CrO4 + NaBr + NaCl + H2O

H s cn bng ca cc phn ng trn ln lt l:a, A. 3, 4, 2, 1, 1, 1 B. 2, 4, 2, 1, 2, 1

C. 1, 6, 1, 1, 1, 2 D. 1, 4, 2, 1, 2, 1b, A. 1, 2, 1, 1, 1, 1 B. 1, 2, 2, 1, 1, 1

C. 1, 2, 1, 2, 2, 2 D. 3, 4, 2, 1, 1, 2c, A. 3, 5, 8, 5, 4, 2 B. 2, 5, 8, 5, 4, 2

C. 5, 5, 8, 4, 4, 1 D. 2, 10, 16, 5, 8, 2

d, A. 1, 6, 7, 2, 3, 7 B. 1, 6, 7, 2, 3, 4C. 1, 6, 14, 2, 3, 7 D. 2, 8, 14, 2, 6, 7e, A. 2, 5, 6, 1, 2, 10, 4 B. 3, 5, 3, 1, 2, 3, 2

C. 1, 10, 6, 1, 2, 5, 2 D. 1, 5, 3, 1, 2, 5, 2f, A. 2, 3, 16, 2, 6, 6, 8 B. 4, 6, 32, 4, 12, 12, 16

C. 2, 3, 4, 2, 3, 3, 4 D. 4, 3, 32, 2, 12, 12, 8Cu 19. Cho cc cht v ion sau: Cl-, Na2S, NO2, Fe2+, SO2, Fe3+, N2O5, SO42-, SO32-, MnO, Na, Cu. Cc cht,ion no va c tnh kh, va c tnh oxi ho.

A. Cl-, Na2S, NO2, Fe2+ B. NO2, Fe2+, SO2, MnO, SO32-

C. Na2S, Fe2+, N2O5, MnO D. MnO, Na, Cu.Cu 20. Cho cc phn ng ho hc sau:

a, Fe3O4 + NO3-

+ H+

NxOy + Fe3+

+ H2Ob, HxIyOz + H2S I2 + S + H2Oc, MnO4- + SO32- + H+ Mn2+ + SO42- + H2O

H s cn bng ca cc P trn ln lt l:a, A. (5x 2y), 3x, (3x - y), (3x 2y), 1, (13x - y)

B. (5x 2y), x, (x - y), (2x 2y), 1, (23x 9y)C. (x 2y), 4x, (6 8y), (15x 6y), 1, (13x - y)D. (5x 2y), x, (46x 18y), (15x 6y), 1, (23x 9y)E. (5x 2y), 4x, (46x 18y), (15x 6y), 2, (23x 9y)

b, A. 2, (2z - x), y, (2z - x), 2z B. 4, (3z 2x), y, (2z - x), 2z


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C. 3, (4z - x), 4y, ()4z y, 3z D. 2, (2z - x), y, (2z - x), 4zc, A. 2, 6, 6, 3, 5, 3 B. 4, 3, 6, 2, 2, 3 C. 4, 5, 3, 3, 3, 2 D.2, 5, 6, 2, 5, 3

Cu 21. Cho cc phn ng ho hc sau:

a, FeS2 + O2 to

Fe2O3 + SO2

b, FeS2 + HNO3 Fe(NO3)3 + H2SO4 + NO2 + H2O

c, FeS + HNO3 Fe(NO3)3 + H2SO4 + NO2 + H2O

d, KNO3 + FeS KNO2 + Fe2O3 + SO3 .H s cn bng ca cc P trn ln lt l:

a, A: 4,5,2,4 B: 4,11,2,8. C: 4,6,2,8. D: p n khc.b, A: 2,14,1,2,5,7 B: 3,14,14,30,14 C: 1,9,1,4,15,7 D: 1,18,1,2,15,7.c, A: 2,12,1,2,9,5 B: 3,12,1,2,3,5 C: 2,12,1,1,9,5 D: 1,6,1,1,3,5.d, A: 9,4,9,1,6 B: 3,2,9,4,6 C: 9,2,9,1,2 D: 9,4,3,1,3.

Cu 22. Cho P: As2S3 + HNO3 + H2O H3AsO4 + H2 SO4 + NO.H s cn bng ca P ln lt l:

A. 3,4,6,9,4,4 B. 1,7,2,3,1,7 C. 1,28,4,2,3,28. D. 3,28,4,6,9,28.Cu 23. Cho cc phn ng ho hc sau:

a, CuFeS2 + Fe2(SO4)3 + O2 + H2O CuSO4 + FeSO4 + H2SO4.b, As2S3 + KClO4 H3AsO4 + H2 SO4 + KCl.

c, CuS2 + HNO3

Cu(NO3)2 + CuSO4 + NO + H2O.H s cn bng ca cc P trn ln lt l:a, A: 6,8,8,4,6,12,16 B: 3,16,8,6,6,24,16. C: 6,8,16,16,6,24,16. D: 6,16,16,16,6,38,16. b, A: 3,28,16,6,9,28. B: 6,14,1812,18,14. C: 6,28,36,12,18,28. D: 6,14,36,12,18,14.c, A: 3,8,3,4,5,4 B: 2,8,2,3,4,4. C: 3,8,3,3,10,4. D: 3,16,3,3,10,8.

Cu 25. Cho PHH sau : MxOy + HNO3 M(NO3)n + NO + H2O.H s cn bng ca P ln lt l:A. 3, ( nx- 2y), 2x, (2nx- y), ( nx- y ).B. 6, ( 2nx- y), x, (nx- y), ( 3nx- y ).C. 2, ( 3nx- 3y), 2x, (2nx- 2y), ( 3nx- y ).

D. 3, ( 4nx- 2y), 3x, (nx- 2y), ( 2nx- y ).N TP CHNG IVCu 1. Pht biu no sau y sai ?

A. Kh mt nguyn t l thm electron cho ngun t , lm cho s oxiho nguyn t gim.B. Cht kh l cht c th thu thm electron ca cht khc, l cht changuyn t m s oxi ho ca n gim sau phn ng.C. Oxi ho mt nguyn t l ly bt electrron ca nguyn t , lm chos oxi ho ca nguyn t tng.D. Cht oxi ho l cht c th thu thm electron ca cht khc, l chtcha nguyn t m s oxi ho ca n tng sau phn ng.

Cu 2. Ho tan 1,39gam mui FeSO4.7H2O trong dd H2SO4 long. Cho dd ny tc dng vowis V lt ddKMnO4 0,1M . V c gi tr l bao nhiu ( trong cc s di y)A. 0,01 lt B. 0,02 lt C. 0,03 lt D. 0,05 lt.

Cu 3. Pht biu no sau y ng?A. PHH l qu trnh bin i s oxi ho ca cc nguyn t.B. PHH l qu trnh lm bin i nguyn t ny thnh nguyn t khc.C. Trong PHH ch c lin kt gia cc ngun t thay i lm cho phnt ny bin i thnh phn t khc.D. PHH l qu trnh cht ny thnh cht khc.

Cu 4. a, Pht biu no sau y ng?


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D. Qu trnh : Na - 1e Na+ trong Na+ ng vai tr l cht kh.Cu 4. Hy chn phng n ng nht trong cc pht biu sau y?

A. PHH l qu trnh ph v cc lin kt ny ng thi to cc lin ktkhc trong hp cht tham gia P.B. PHH l s bin i cht ny ( cht tham gia P) thnh cht khc( cht to thnh sau P)din ra theo mt qu trnh.C. PHH l qu trnh ph v cc lin kt ny ng thi to thnh cclin kt khc.D. PHH l qu trnh thay i s oxi ho ca cc nguyn t trong cc

n cht v hp cht.Cu 5. C cc qu trnh sau:1/ t chy ci, than, lu hunh trong khng kh.2/ Trng ct ru trong qu trnh sn sut ru.3/ Nhit phn KClO3.4/ Ti vi ( ho tan CaO vo nc)Trong cc qu trnh trn, nhng qu trnh no c PHH xy ra?

A. Tt c B. Cc qu trnh 1,2,3.C. Cc qu trnh 2,3,4 D. Cc qu trnh 1,3, 4.

Cu 6. C cc hp cht: K2Cr2O7, K2CrO4, KCrO2 , CrCl2. S oxi ho ca Cr trong cc hp cht l?A. +7, +6, + 4, + 2. B. + 6, + 6, + 3 , + 2.

C. + 6 , + 6, +4, + 2 D. + 7, + 6, + 3 , + 2.Cu 7. Cho cc PHH sau:1/ CaO + CO2 CaCO3.2/ Zn + 2HCl ZnCl2 + H2.3/ 2H2S + 3O2 2H2O + 2H2S.

4/ CuSO4 + BaCl2 CuCl2 + BaSO4 .Trong cc PHH trn, nhng PHH no l P oxi ho kh?

A. P 1, 2 B. P 2,4 C. P 2,3 D. P 3,4.Cu 8. Hy chn phng n ng nht trong cc pht biu sau y?

A. P ho hp l qu trnh kt hp cc hp cht thnh hp cht mi.

B. P ho hp l s kt hp hai hay nhiu cht ban u to thnh cccht mi.C. P ho hp l qu trnh kt hp cc n cht thnh mt hp cht .D. P ho hp l PHH trong c mt cht mi c to thnh t haihay nhiu cht ban u.

Cu 9. Cho cc PHH sau:1/ CaO + CO2 CaCO3.2/ Zn + 2HCl ZnCl2 + H2.3/ 2H2 + O2 2 H2O.

4/ CuSO4 + BaCl2 CuCl2 + BaSO4 .a/ Trong cc P trn , P no l P ho hp?A. P 1,2,3. B. P 1,2,4. C. P 2,3,4. D. P 1,2.b, Trong cc P trn , P no l P oxi ho kh?A. P 1,2 B. P 2,3 C. P 2,4. D. P 3,4.

CHNG V: NG NGC AN.C u 1.Trong cc PHH, cc halogen:

A. Ch th hin tnh kh.B. Ch th hin tnh oxi ho.C. Khng th hin tnh oxi ho.D. Th hin tnh oxi ho v tnh kh.

Cu 2. Hy chn cu ng:


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A. Phi kim ch tn ti hai trng thi rn v kh.B. Phi kim c nh kim.

C. Phi kim dn nhit, dn in km.D. Phi kim dn in tt.

Cu 3. Trong cc halogen sau, halogen no c tnh kh mnh nht?A. Br B. I C. Cl D. F.

Cu 4. Sc kh Clo vo dd cha NaBr v NaI n P hon ton th thu c 1,17g NaCl. S mol hn hpNaBr v NaI c trong dd u la bao nhiu ( trong cc s cho di y)?

A. 0,02 mol. B. 0,01 mol. B. 0,03 mol. D. Tt c u sai.

Cu 5. so snh hot ng ho hc mnh, yu ca phi kim ngi ta thng xem xt qua kh nngP:A. Vi hiro hoc vi kim loi. B. Vi oxi.C. Vi dd mui D. Vi kim.

Cu 6. Hiroxt cao nht ca mt nguyn t R c dng HRO4 . R cho hp cht kh vi hiro trong cha2,74% hiro theo khi lng. R l nguyn t no sau y?

A. Pht pho B. Clo C. Brom D. It.Cu 7. Nc clo c tnh ty mu v cc c tnh sau:A. Clo tc dng vi nc to nn axt HCl c tnh ty mu.B. Clo hp th c mu.C. Clo tc dng vi nc to nn axt HClO c tnh ty mu.

D. Tt c u ng.Cu 8. Hon thnh cc P sau:

(1) Cl2 + A B (2) B + Fe C + H2

(3) C + E F + NaCl (4) F + B C + H2O.Cc cht A, B, C, E , F c th l:

Cu 9. Hng nm th gii cn tiu th khong 45 triu tn clo. Nu dng mui n iu ch clo th cnbao nhiu tn mui ( trong cc s cho di y)?

A. 74 triu tn. B. 74,15 triu tn. C. 74,51 triu tn. D. 74,14 triu tn.Cu 11. Oxt cao nht ca nguyn t X thuc nhm VIIA c t l khi lng cc nguyn t mx:mo = 7,1 : 11,2. X l nguyn t no sau y?

A. Clo B. It C. Flo D. BrmCu 12. Kh Clo c ln kh N2 v H2 . Phng php no sau y c th tinh ch c kh Clo?

A. Cho qua kim. B. Hp H2, hp nc, cho tc dng vi MnO2.C. t hn hp, hp nc. D. Cho qua kim, cho tc dng vi H2SO4.

Cu 13. Cho mt lng d KMnO4 vo 25ml dd HCl 8M. Th tch kh thu c l?A. 1,34lt B. 1,45 lt C. 1,44 lt D. 1,4 lt.

Cu 14. Cho 69,6gam MnO2 tc dng vi HCl c, d. Dn ton b lng kh sinh ra vo 500ml ddNaOH 4m. Coi th tch dd thay i khng ng k, nng mol cc cht trong dd sau P l bao nhiu?

A. 1,6M; 1,6M v 0,8M. B. 1,7M ; 1,7M v 0,8 MC. 1,6M; 1,6M v 0,6M. D. 1,6M; 1,6M v 0,7M.

Cu 15. Cho 8,7 gam MnO2 tc dng vi axt HCl m c sinh ra V lt kh Clo ( KTC). Hiu sutca P l 85%. V c gi tr l?

A. 2 lt B. 1,82 lt C. 2,905 lt D. 1,904 lt.


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Cu 16. Cho 1,12 lt kh Clo ( KTC) vo dd NaOH 1M. Sau khi P kt thc, th tch dd NaOH cndng l?A. 0,1 lt B.0,15 lt C. 0,12 ltD. 0,3 lt.Cu 17. Nu lykhi lngKMnO4 v MnO2bng nhau cho

tac dng vi ddHCl c , d thcht no cho

nhiu kh Clo hn?A. MnO2 B. KMnO4 C. Lng clo sinh ra nh nhau. D. Khng xc nh c.

Cu 18. Cho mt lung kh clo d tc dng vi 9,2 gam kim loi sinh ra 23,4 gam mui kim loi ho trI. Mui kim loi ho tr I L mui no sau y?

A. NaCl B. KCl C. LiCl D. Kt qu khc.Cu 19. Thng thng phi kim khng dn nhit, dn in tt nh kim loi v ?A. Nguyn t kim loi thng cha nhiu electron.B. Kim loi thng c cu to mng tinh th hon chnh hn.

C. Tng qut th phi kim c nhit nng chy thp hn.D. Electron ho tr trong phi kim km linh ng hn so vi kim loi.Cu 20. C 3 kh ng ring bit trong ba l: Clo , hiroclorua , oxi . Phng php ho hc no sau y cth nhn bit tng kh trong mi l.

A. Dng qu tm m. B. Dng dd NaOH.C. Dng dd AgNO3 D. Khng xc nh c.

Cu 21. Ly 2 lt kh H2 cho tc dng vi 3 lt kh Cl2 . Hiu sut P l 90%. Th tch hn hp sau P l?A. 4,5 lt B. 4 lt C. 5 lt D. Kt qu khc.

Cu 22. Ghp mt ch s ct I vi mt ch ci ct II c ni dung ph hp?

Cu 23. Hai ming st c khi lng bng nhau v bng 2,8 gam. Mt ming cho tc dng vi Cl2, mtming cho tc dng vi dd HCl. Tng khi lng mui clorua thu c l?

A. 14,475g B. 16,475g C. 12,475g D. Tt c u sai.Cu 24. Nhng cu no sau y khng chnh xc?A. Halogen l nhng cht oxi ho mnh.B. Kh nng oxi ho ca cc halogen gim t flo n It.C. Trong hp cht cc halogen u ca th c s oxi ho : -1, +1, +3, +5, +7.D. Cc halogen c nhiu im ging nhau v tnh cht ho hc.

I PTP II

Sn phm

1 P ca Fe vi dd HCl cho A FeCl3

2 P ca Fe vi C2 cho B FeCl2

3 P ca dd HCl vi K2Cr2O7 ,phn t HCl th hin tnh kh v

C Clo l cht oxi homnh

4 Clo tc dng c vi hu ht

kim loi v

D Clo c s oxi ho -1

E Clo c m in ln


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Cu 25. Rc bt st nung nng vo l cha kh clo. Hn hp sau P cho tc dng vi dd HCl d thy tora 2,24 lt kh H2 (ktc) . Nu cho hn hp sau P tc dng vi dd NaOH th to ra 0,03 mol cht kt tamu nu .Hiu sut ca P gia Fe v Cl2 l?

A. 13% B. 43% C. 33% D. Kt qu khc.Cu 27. C 7 cht bt mu trng l: NaCl , BaCO3 , Na2SO4 , Na2S, BO4 , MgCO3 . Ch dng thmmt dd no cho di y l c th phn bit c cc cht trn?

A. dd HCl B. dd NaOH C. dd BaCl2 D. dd AgNO3.Cu 18. Hy chn cu tr li ng trong cc cu tr li sau y? Halogen l nhng phi kim rt hot ngv:

A. Nng lng lin kt phn t khng lnB. Bn knh nguyn t nh hn so vi cc nguyn t cng chu k.C. C m in ln.D. Phn t c lin kt cng ho tr.Cu 29. C 4 bnh khng nhn, mi bnh cha mt trong cc dd sau: HCl , HNO3 , KCl , KNO3 .Hy chntrnh t tin hnh no trong cc trnh t sau y phn bit cc dd trn?

A. Dng qu tm, dd AgNO3. B. Dng phnolphtalein, dd AgNO3.C.dd AgNO3 , phnolphtalein. D. Khng xc nh c.

Cu 30. Chng kh tiu l do trong bao t c qu nhiu axt HCl. lm gim cn au ngi ta thngdng vin thuc c tc dng l phn ng vi axt lm gim lng axt.

Cht no sau y l thnh phn chnh ca thuc:

A. Mg(OH)2 B. NaHCO3 C. CaCO3 D. MgCO3.Cu 31. C 4 bnh khng ghi nhn cha mt trong cc dd sau: NaCl , NaNO3 , BaCl2 v BaNO3. phnbit cc dd trn, ta c th dng ln lt ho cht no trong s cc ho cht sau y?

A. Dng qu tm, dd AgNO3. B. dd Na2CO3 , dd H2SO4.C. dd AgNO3 , dd H2SO4. D. dd Na2CO3 , dd HNO3.

Cu 32. Cho MnO2 tc dng vi dd HCl, ton b kh sinh ra c hp th ht vo dd kim c, nng, to radd X. Tronhg dd X c cha mui no sau y:

A. NaCl , NaClO3. B. KCl , KClO. C. NaCl, NaClO. D. Kt qu khc.Cu 33. phn bit 5 dd: NaCl, NaBr, NaI, NaOH, HCl ng trong 5 l mt nhn, c th dng trc tipnhm thuc th no sau y:

A. Phnolphtalein, kh clo. B. Qu tm, kh clo.

C. Dung dch AgNO3 D. Phnolphtalein, dd AgNO3.Cu 35.Cho s chuyn ho sau y:Cl2 X Y Z X Cl2.Trong X, Y, Z l cc cht rn , Y v Z u cha Natri. X, Y, Z trong chui chuyn ho trn c

th l cc cht no sau y:

Cu 36. C 6 bnh khng

ghi nhn, mi bnh chamt trong cc dd sau :Na2SO4, H2SO4, HCl, NaCl, BaNO3 , Ba(OH)2. phn bit cc dd trn nu ch dng thm mt ho cht lmthuc th th chn ho cht no sau y:

A. Qu tm B. Phnolphtalein C. dd AgNO3 D. C A, B, C u ng.Cu 40. em phn tch hai mu NaCl th thy c hai u cha thnh phn phn trm nguyn t clo khcnhau. L do no sau y ph hp nht ?

A. Hai mu ny c ngun gc khc nhau.B. t nht l mt trong hai mu khng phi l nguyn cht.C. Hai mu cha cc ng v khc nhau ca clo.D. C hai hp cht khc nhau cha cng mt cng thc phn t.

X Y ZA NaCl NaBr Na2CO3B NaBr NaOH Na2CO3C NaCl Na2CO3 NaOH

D NaCl NaOH Na2CO3


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Cu 41. Ho tan 10gam hn hp 2 mui cacbonat ca kim loi ho tr hai v ho tr ba bng dd HCl, ta thuc ddA v 0,672lt kh bay ra ktc.Khi c cn dd A th khi lng mui khan thu c l:

A. 10,33g B. 9,33g C. 11,33g D. 12,33g.

Cu 42. Mt oxt X ca It P vi cacbon mono oxt nh sau:X + 5 CO I2 + 5 CO2.

Oxt it no sau y ng vi cng thc phn t ca X.A. I2O5 B. I2O3 C. I4O5 D. I3O5.

Cu 43. Hy ch ra cu sai trong cc cu sau: Flo l:

A.Phi kim hot ng mnh nht.B. Cht oxi ho mnh nht.C. Nguyn t bn nht.D. Nguyn t c m in ln nht.

Cu 44. Trong cc PHH, cc halogen ch th hin:A. Tnh oxi ho. B. Tnh khC. Tnh oxi ho v tnh kh. D. Thay i s oxi ho.

Cu 46. Ho tan hon ton hn hp kh hiro bromua v hiro clorua vo nc ta c dd cha hai axt cnng phn trm bng nhau. Thnh phn phn trm theo th tch ca hai kh trong hn hp l:

A. 68,93% v 31,07%. B. 67,93% v 32,07%C. 69,93% v 30,07% D. Kt qu khc.

Cu 47. So snh brom v clo ta nhn thy brom v clo khc nhau ch :A. S oxi ho trong cc phn ng ho hc.B. c tnh ca cc hp cht.C. S axt c oxi to thnh.D. Tnh cht ho hc.

Cu 48. C 4 l mt nhn ng ring bit cc mui sau: KF , KCl, KBr, KI. phn bit cc mui trn ta cth dng trc tip nhm thuc th no sau y?

A. Nc, kh clo v dd AgNO3.B. Nc, brom v dd AgNO3.C. Nc v dd H2SO4 c.D. Tt c u sai.

Cu 49. Cht X l mui Canxi halogen. Cho dd X cha 0,200gam X tc dng vi dd AgNO3 th thu c0,376gam kt ta bc halogenua. X l cng thc no sau y?A. CaCl2 B. CaBr2 C. CaI2 D. CaF2.

Cu 50. Cho lng d dd AgNO3 tc dng vi 100ml dd hn hp NaF 0,05m v NaCl 0,1M. Khi lngkt ta thu c l bao nhiu?

A. 1,345g B. 3,345g C. 2,875g D. 1,435g.Cu 51. Trong cng iu kin v nhit , p sut, mt mol kh lun chim th tch nh nhau. C 1gam cami kh sau y trong cng iu kin nhit , p sut. Kh chim th tch ln nht l kh no sau y?

A. Flo ( F2 ) B. Etan ( C2H6) C. Oxi ( O2) D. Hiro sunfua(H2S).Cu 52. Khi cho axt flohiric tc dng v cht kim nh NaOH th to ra mui no sau y?

A. NaF2 B. NaF. C. NaHF2 D. B v C ng.

Cu 53. Cho 6gam brom c ln tp cht clo vo mt dd cha 1,6g NaBr. Sau khi clo P ht , ta lm bay hihn hp sau th nghim v sy kh cht rn thu c. Khi lng cht rn sau khi sy kh l 1,36g. Hmlng phn trm ca clo trong 6g Brom ni trn l:

A. 2,19% B. 3,19% C. 4,19% D. 1,19%.N CHNG VCu 55. C 5 l ng ring bit cc cht kh sau: O2 , Cl2 , HCl , O3 , SO2. phn bit cc kh trn, ccthuc th ln lt c s dng l:

A. Kh clo mu vng, qu tm, dd KI v h tinh bt, dd brom.B. Kh clo mu vng, dd KI , qu tm, dd brom.C. Kh clo mu vng, tn m , dd KI , dd brom.D. B v C ng.


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Cu 56.Cu 57.

CHNG VI.

KHI QUT V NHM OXICu 1. in nhng t hay cm t thch hp vo ch trng trong nhng cu sau y?

bn cc hp cht vi hiro ( H2R ) ca cc nguyn t nhm oxi ph thuc (1) T Oxi nTeluCu 2. Ozn l mt cht rt cn thit trn thng tng kh quyn v:

A. N lm cho tri t m hn.B. N hp th cc bc x t ngoi ( tia cc tm).C. N ngn nga oxi thot ra khi tri t.D. N phn ng vi tia gama t ngoi khng gian to kh freon.

Cu 3. Ozn v hiro peoxt c nhng tnh cht ho hc no ging nhau sau y?A. u c tnh kh B. u c tnh oxi ho.C. u c tnh oxi ho - kh D. L hp cht bn.

Cu 4. C hn hp kh oxi v zn. Sau mt thi gian, zn b phn hu ht, ta c mt cht kh duy nht cth tch tng thm 2%. Thnh phn phn trm theo th tch hn hp kh ban u ln lt l:

A. 96% v 4%. B. 95% v 55% C. 97% v 3% D. Kt qu khc.Cu 5. Hai bnh c th tch bng nhau, np oxi vo bnh th nht, np oxi c ozn ho vo bnh th hai.

Nhit v p sut hai bnh l nh nhau. t hai bnh ln hai a cn th thy khi lng hai bnh khcnhau l 0,42g. Khi lng ozn trong oxi c ozn ho l:

A. 1,16g B. 1,36g C. 1,26g D. 2,26g.Cu 6. Pht biu no sau y ng ?

A. Luc khoai vng cao s lu hn v xy ra nhit thp hn.B. Luc khoai nh Everest s s mau chn hn v nc si nhit thp hn.C. Nc lng c th c un nng ln nhit cao hn nhit si ca nc nn cao khng

nh hng g.D. S st gim p sut khi ln cao lm cho nc si nhit cao hn nhiu.

Cu 7. Sau khi chuyn mt th tch oxi thnh ozn th thy th tch gim 5ml( bit cc th tch kh o cngiu kin ).Th tch oxi tham gia phn ng l bao nhiu?

A. 14ml B. 16 mol C. 17ml D. 15ml.Cu 8. Ngi ta th ra 20 ln trong mt pht , mi ln 0,5 lt v bit rng khng kh th ra cha 4% khcacbonic. Hi trong 24 gi (mt ngy) th tch kh oxi cn dng to thnh kh cacbonic l bao nhiu?

A. 576lt. B. 566 lt C. 556 lt D. 586 lt.Cu 9. Mt oxt to bi Mangan v oxi, trong t l khi lng gia mangan v oxi 55:24 . Cng thcphn t ca oxt l cng thc no sau y?

A. MnO B. MnO2 C. Mn2O3 D. Mn2O7.Cu 10. Cho 3,36 lt oxi ( ktc) phn ng hon ton vi kim loi ho tr III thu c 10,2 gam oxt. Cng thcphn t ca oxt l:

A. Fe2O3 B. Al2O3 C. Cr2O3 D. Kt qu khc.Cu 11. Mt bnh cu dung tch 448ml c np oxi ri cn . Phng in chuyn oxi thnh ozn( P ozn

ho) , sau li np oxi cng th tch nh bnh trc ri cn. Khi lng trong hai trng hp chnh lchnhau 0,06gam.Bit th tch kh np vo bnh u ktc. Phn trm v khi lng ca ozn trong hn hp l:

A. 24,72% B. 26,72% C. 28,72% D. 25,72%.Cu 12. Oxt ca mt nguyn t ho tr VI cha 48% oxi v khi lng. Oxt c cng thc phn t no sauy?

A. CrO3 B. MoO3 C. WO3 D. Khng xc nh c.Cu 13. Khi cho ozn tc dng ln giy c tm dd KI v h tinh bt thy xut hin mu xanh. Hin tngny l do:

A. S oxi ho tinh bt. B. S oxi ho iotuaC. S oxi ho kali D. S oxi ho ozn.


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Cu 14. Dn 2,24lt hn hp kh ( ktc) gm 0xi v ozn i qua dd KI thy c 12,7 gam cht rn mu tmen.Thnh phn phn trm theo th tch cc kh trong hn hp l:

A. Cng 50% B. 60% v 40% C. 45% v 55%. D. Kt qu khc.Cu 15. Hn hp X gm O2 v O3 c t khi so vi hiro bng 20. t chy hon ton V lt CH4 cn 2,8lt hn hp X, bit cc th tch kh o ktc. Th tch V l gi tr no sau y?

A. 1,65 lt. B. 1,55 lt C. 1,75 lt D. 1,45 lt.Cu 16. Kh nit b ln mt t tp cht l kh oxi ( kh X ) . Ta c th dng cch no trong cc cch sau loi b oxi?

A. Cho kh X i qua bt Cu d , un nng.

B. Cho kh X i qua dd KI trong mi trng axt.C. Cho st t nng chy trong kh X hoc cho kh X qua pht pho.D. Tt c cc cch trn u ng.

Cu 17. Hy cho bit trong cc cu sau y, cu no ng (), cu no sai ( S) in vo ch trng cho thchhp.

Cu 18. un nng hn hp gm 28gam bt st v 3,2 gam bt lu hunh thu c hn hp X. Cho hn hp Xtc dng hon ton vi dd HCl thu c hn hp kh Y v dd Z ( hiu sut P t 100%). a/Thnh phn phn trm theo th tch ca cc kh trong hn hp kh Y l?

( phn trm theo khi lng cc cht trong X, Y, Z) CHA XONG.Cu 19. Kh SO2 do cc nh my thi ra l nguyn nhn quan ttrng nht gy nhim mi trng . Tiu

chun quc t quy nh nu lng SO2 vt qu 30.10-6 mol/ m3 ( khng kh) th coi khng kh bg nhim .nu ngi ta ly 50 lt khng kh mt thnh ph v phn tch thy c 0,012 mg SO2 th khng kh c b nhim khng?

A. C b nhim B. khng b nhim C. Lng SO2 va ng quy nhD. Khng xc nh c.

Cu 20. Cho hn hp gm Fe v FeS tc dng vi dd HCl d, thu c 2,464 lt hn hp kh X ( ktc). Chohn hp kh ny qua dd Pb(NO3)2 d thu c 23,9 g kt ta mu en. Th tch cc kh trong hn hp kh Xl:

A. 0,224 lt v 2,24 ltB. 0,124 lt v 1,24 ltC. 0,224 lt v 3,24 lt D. 0,324 lt v 2,24 lt.

TT S

A Khi tham gia P hiro, lu hunh th hin tnh oxi ho, s oxi ho t0 n -2.

B Khi tham gia P vi hiro, lu hunh th hin tnh kh, s oxi ho 0tng ln +2.

C Khi tham gia P vi phi kim hot ng hn, lu hunh th hin tnhoxi ho, s oxi ho tng ln t 0 n + 4 hoc + 6.

D Khi tham gia P vi phi kim hot ng hn, lu hunh th hin tnhkh, s oxi ho tng ln t 0 n + 4 hoc + 6.


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Cu 21. Hp th hon ton 12,8 gam SO2 vo 250 ml dd NaOH 1M. Khi lng mui to thnh sau P l:A. 15,6 gam v 5,3 gam B. 18 gam v 6,3 gam.C. 15.6 gam v 6,3 gam D. Kt qu khc.

Cu 22. C 4 l mt nhn, mi l cha mt trong cc cht sau : NaCl , KNO3 , Pb(NO3)2 , CuSO4. Hy chntrnh t tin hnh no sau y phn bit cc dd trn?

A. Dng dd Na2S , dd AgNO3. B. Dng dd NaOH, dd Na2S.C. Dng kh H2S, dd AgNO3. D. A v C ng.

Cu 23. t chy hon ton 125,6 gam hn hp FeS2 v ZnS thu c 102,4 gam SO2. Khi lng ca 2 chttrn ln lt l:

A. 77,6 gam v 48 gam. B. 76,6 gam v 47 gam.C. 78,6 gam v 47 gam. D. Kt qu khc.Cu 24. C 3 ng nghim cha cc kh: SO2 , O2 v CO2 . Dng phng php thc nghim no sau y nhn bit cc cht trn:

A. Cho tng kh li qua dd Ca(OH)2 d, dng u que m cn tn .B. Cho tng kh li qua dd H2S, dng u que m cn tn .C. Cho hoa hng vo cc kh, dng u que m cn tn .D. B v C ng.

Cu 25. C 5 kh cha ring bit trong 5 l l: Cl2, O2, HCl, O3 , SO2. Hy chn trnh t tin hnh no sauy phn bit cc kh trn?

A. Nhn bit mu ca cc kh, dd AgNO3, dd HNO3 c , dng u que m cn tn , dd KI.

B. Dng dd H2S, dd AgNO3 , dd KI.C. Dng dd AgNO3 , dd KI , dng u que m cn tn .D. Tt c u sai.

Cu 26. Cho s chuyn ho:A1 +Y A2 +Z A3

A A1 CB +T B1 +U B2

Bit A l hp cht ca mt kim loi v mt phi kim. A1, A2 , A3, C l cc hp cht ca S . B, B1, B2 l cchp cht ca ng hoc ng kim loi. Cc cht c k hiu bng ch ci A , A1, A2, A3 , B, B1, B2 ,C c thl:

A A1 A2 A3 B B1 B2 C

a CuS2 SO3 H2SO4 CuSO4 CuO Cu CuCl2 CuSO4

b CuS SO2 H2SO4 Ag2SO4 CuO Cu CuCl2 CuSO4

c Cu2S3 SO2 H2SO3 Ag2SO3 CuO Cu CuCl2 CuSO4

d Tt c u sai

Cu 27. Anion X2- c cu hnh electron lp ngoi cng l 3s23p6. X trong bng tun hon l?A. Oxi B. Lu hunh C. Cacbon D. Photpho.

Cu 28. Cho 4,6 gam Natri kim loi tc dng vi mt phi kim to mui v phi kim trong hp cht c s oxiho l -2, ta thu c 7,8 gam mui, phi kim l:

A. Clo B. Flo C. Lu hunh D. Kt qu khc.Cu 29. Cho bit tng s electron trong anion XY32- l 42. Trong cc ht nhn ca X cng nh Y s prtonbng s ntron. X , Y ln lt l cc nguyn t no sau y?

A. F v Al B. N v K C. C v O D. S v O.


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Cu 30. Ho tan 3,38g Olum X vo nc , ngi ta phi dng 800 ml dd KOH 0,1M trung ho dd X .Cng thc phn t ca X l:

A . H2SO4.3SO3 B. H2SO4.2SO3 C. H2SO4.4SO3 D.H2SO4.nSO3.Cu 31. C 3 bnh , mi bnh cha mt trong cc dd sau: HCl, H2SO4 , H2SO3. Nu ch dng thm mt hocht lm thuc th th c th chn cht no sau y phn bit cc dd trn?

A. Ba(OH)2. B. NaOH C. BaCl2 D. A v C ng.Cu 32. C 200ml dd H2SO4 98% (D = 1,84 g/ ml). Ngi ta mun pha long th tch dd H2SO4 trn thnhdd H2SO4 40% th th tch nc cn pha long l bao nhiu?

A. 711,28 cm3 B. 533,60 cm3 C. 621,28 cm3 D. 731,28 cm3.

Cu 33. phn bit cc dd ho cht ring bit : NaOH , HCl , H2SO4 ngi ta c th dng mt trong cc hocht no sau y?A. Na2CO3 , B. Qu tm C. phn D. Phnolphtalin.

Cu 34. T 1,6 tn qung c cha 60% FeS2, ngi ta c th sn sut c khi lng axt sunfuric l baonhiu?

A. 1558 kg B. 1578 kg C. 1548 kg D. 1568 kg.Cu 35. C 5 bnh mt nhn mi bnh cha mt trong cc dd sau: NaCl , H2SO4, FeCl3 , MgCl2, NaOH.Nuch dng thm mt ho cht lm thuc th th c th chn cht no sau y nhn bit cc cht trn?

A. Dung dch AgNO3 B. dd CuSO4 C. Phnolphtalin D. B v C ng.

Cu 36. C nhng ho cht sau: CaSO3 (1), BaSO3 (2), Na2SO3 (3) , CuSO3 (4). Nu cho nhng ho cht trn

tc dng vi dd H2SO4 iu ch SO2 th cht no l thun li nht?A. (3) v (4). B. (1) v (3). C. (2) v (3). D. (1) v (4).Cu 37. C 4 dd BaCl2, NaOH, AlNH4(SO4)2 v KHSO4 b mt nhn. Nu ch dng thm mt ho cht lmthuc th th c th chn cht no sau y?

A. Phnolphtalin B. dd AgNO3 C. Qu tm D. Khng xc nh c.Cu 38. C mt loi qung pirt cha 96% FeS2 . Nu mi ngy nh my sn sut 100 tn H2SO4 98% thlng qung trn cn dng l bao nhiu? Bit hiu sut iu ch H2SO4 l 90%.

A. 69,44 tn B. 68,44 tn C. 67,44 tn D. 70,44 tn.N CHNG VI.Cu 39. Cho cc mui sau: NaF (1), NaCl (2), NaBr (3), NaI (4). Mun iu ch hiro halogenua ta c thdng mui no trong cc mui trn cho tc dng vi H2SO4 c.

A. (1) v (3). B. (1) v (2). C. (2) v (3). D. (3) v (4).Cu 40. Ho tan mt oxt kim loi X ho tr II bng mt lng va dd H2SO4 10% ta thu c dd muinng 11,97%. X l kim loi no sau y?

A. Ca. B. Fe. C. Ba D. Mg.Cu 41. Cho H2SO4 long d tc dng vi 6,66 gam hn hp 2 kim loi X v Y u c ho tr II, ngi ta thuc 0,1 mol kh, ng thi khi lng hn hp gim 6,5 gam. Ho tan phn cn li bng H2SO4 c , nngngi ta thy thot ra 0,16 gam kh SO2. X , Y l nhng kim loi no sau y?

A. Hg v Zn B. Cu v Zn C. Cu v Ca D. Kt qu khc.Cu 42. C 6 bnh khng ghi nhn, mi bnh cha mt trong cc dd sau: K2SO4 , CuSO4 , K2SO3 , CuCl2,K2S , NaCl.Hy chn trnh t tin hnh no trong cc trnh t sau y phn bit cc dd trn?

A. Da vo mu sc, dng dd BaCl2, dd H2SO4, dd Ba(OH)2.B.

Da vo mu sc, dng dd Ba(OH)2 , dd H2SO4 long , dd AgNO3.C. Da vo mu sc, dng dd BaCl2, dd H2SO4 long , dd Ba(OH)2.D. A v C ng.

Cu 43. Dung dch X cha cc ion: SO42- , SO32- , CO32- , Na+. Hy chn trnh t tin hnh no trong cc trnht sau nhn bit tng loi ion trn c trong dd:

A. Tc dng vi dd HCl, dd KMnO4 v sau l dd Ca(OH)2 , dd BaCl2.B. Tc dng vi dd BaCl2 , dd KMnO4 v sau l dd Ca(OH)2 .C. Tc dng vi dd BaCl2 , dd HCl, dd KMnO4 v sau l dd Ca(OH)2 .D. A v C ng.

Cu 44. A , B , C l cc n cht ca cc nguyn t thuc cc chu k nh, c cc quy trnh sau:(1) A + C D (2) A + B E .


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(3) A + F D + H2O. (4) D + F A + H2O.(5) D + KMnO4 + H2O G + H + F (6) E + KMnO4 + F A + G + H + H2O.Cc cht c k hiu bng cc ch ci A , C , D , B , E , F , G , H c th l:

OXI-LU HUNH chung cho 3 cu 94,95,96: Cho mt s cht sau: CuCO3 , Fe2O3 , Cu , Mg , CuO , Cu(OH)2 , Fe3O4 . Cccht no tc dng vi H2SO4 lng s sinh ra:Cu 94. Cht kh nh hn khng kh v chy c trong khng kh:

A. Cu , F2O3 B. Mg C. Fe4O4 , Cu. D. CuCO , CuO.Cu 95. Mt cht kh nng hn khng kh, khng duy tr s chy v mt dung dch c mu xanh.

A. CuCO3 B Fe3O4 C .Cu , Mg D. Fe2O3Cu 96. To dd c mu nu:

A. Cu , Mg B. Cu, CuO C. Cu(OH)2, Fe3O4 D. Fe2O3.Cu 97. Kim loi X tc dng vi dd HCl sinh ra kh hiro, dn kh hiro qua oxt kim loi Y nung nng. Oxtb kh, c kim loi Y . X v Y c th l:

A Ag v Pb B. Zn v Cu C. Ag v Cu D. Cu v Pb.Cu 98. C 3 oxit mu trng: MgO , Al2O3 , Na2O. C th nhn bit cc cht bng thuc th no sau y?

A. Ch dng nc. B. Ch dng axt C. Ch dng kim D. Dng nc v kim.Cu 99. C 5 ng nghim ng cc dung dch: Ba(NO3)2 , H2SO4 , NaOH , HCl , Ba(OH)2 . Bit rng chdng mt ha cht duy nht nhn bit cc ha cht trong ng nghim. Ha cht l:

A. Dng phenolphtalein khng mu. B. Dng giy qu tm.C. Dng dd HCl D. Dng dd BaCl2.

Cu 100.Cu 01. Trong cc P sau, P no khng phi l P oxi ha kh?

A. H2SO4 + S SO2 + H2O.B. H2SO4 + Fe Fe2(SO4)3 + SO2 + H2O.C. H2SO4 + Fe3O4 FeSO4 + Fe2(SO4)3 + H2O.D. H2SO4 + FeO Fe2(SO4)3 + SO2 + H2O.

Cu 02. Hiro peoxit c th tham gia PHH sau:H2O2 + 2 KI I2 + 2 KOH .H2O2 + Ag2O 2 Ag + H2O + O2.

Tnh cht ca H2O2 c din t ng nht l:A. : H2O2 ch c tnh oxi ha B. H2O2 ch c tnh kh.C. H2O2 va c tnh oxi ha va c tnh kh.D. H2O2 khng c tnh oxi ha v khng c tnh kh.

Cu 03. Chn pht biu ng:A. xi c cc dng th hnh: 17O v 18O.B. xi ch c hai s oxi ha l 0 v -2.C. S xi ha -2 l s oxi ha bn nht ca oxiD. xi khng bao gi th hin tnh kh khi P vi cc cht kgc.

Cu 04. Khi cho zn tc dng ln giy c tm dd KI v h tinh bt thy xut hin mu xanh.Hin tng nyxy ra l do:

A. S oxi ha ozon B. S oxi ho kali C. S oxi ha iotua D. S oxi ha tinh bt.Cu 05. Cc cht ca dy no ch c tnh xi ha:A. O2 , Cl2 , S B. O3 , KClO4 , H2SO4 C. H2O2 , HCl , SO3 D. HBr , FeSO4 , KMnO4.Cu 06. O3 tc dng vi dd KI cn O2 khng P vi dd KI (I) . iu chng minh tnh oxi ha ca O2 yuhn O3 (II). Chn ung:

A. (I) ng, (II) ng , c tng quan.B. (I) ng, (II) ng , nhng khng c c tng quan.C. (I) ng, (II) saiD. (I) sai, (II) ng.

Cu 09. xt no l hp cht ion?


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A. SO2 B. CO2 C. SO3 D. CaO.Cu 10. Cc n cht ca dy no sau y va c tnh oxi ha va c tnh kh:

A. Br2 , Ca , O2 B. S , Cl2 , Br2.C. Cl2 , O3 , S. D. Na , F2 , S.

Cu 11. Xt P: SO2 + KMnO4 + H2O MnSO4 +Trong P ny vai tr ca SO2 l:A. Cht oxi ha B. Cht khC. Va l cht oxi ha va l cht to mi trngD. Va l cht kh va l cht to mi trng

Cu 13.Cht no c th dng tch ring ion Cu2+

ra khi ion Mg2+

c trong dd hn hp ca Cu(NO32 vMg(NO)3.?A. HCl B. H2SO4 C. H2S D. H2SO3.

Cu 14. Cu hnh electron ca ion S2- l:A. 1s22s22p63s23p2 B. 1s22s22p63s23p4 C. 1s22s22p63s23p6 D. 1s22s22p63s23d64s2

Cu 15. Hy ghp cp cc cht v cc tnh cht cho ph hp:A. S a, Ch c tnh oxi haB. SO2 b, Ch c tnh khC. H2S c. Va c tnh kh va c tnh oxi haD. H2SO4 d, Khng c tnh oxi ha cng khng c tnh kh.

Cu 16. Bc tip xc vi khng kh c kh H2S b bin i thnh sunfua:

Ag + H2S + O2

Ag2S + H2O .Cu no sau y din t ng tnh cht ca cc cht P?A. H2S l cht oxi ha , Ag l cht kh. B. H2S l cht kh , O2 l cht oxi ha.C. H2S l cht kh , Ag l cht oxi ha. D. Ag l cht kh ,O2 l cht oxi ha.

Cu 17. S oxi ha ca S trong mt loi hp cht olum H 2S2O7 l :A. +2 B. +4 C. +6 D. +8.

Cu 17. Trong cc hp cht sau y ca S , hp cht no khng th dng lm cht kh?A .SO2 B. K2SO3 C. H2SO4 D. Na2S.

Cu 19. Nhn nh cc tnh cht:(I) . Kh khng mu(II). Nng hn khng kh

(III). D ha lng.(IV). Khng ha tan trong nc.Hirosunffua c l tnh no sau y:

A. I v IV B. I v II C. II v IV D. II v III.Cu 20. Trong cc P sau , P no SO2 ng vai tr l cht oxi ha?

A. NaOH + SO2 Na2SO3 + H2OB. HNO3 + SO2 H2SO4 + NO2.C. H2S + SO2 S + H2OD. B v C ng.

Cu 21. Hiro c ln tp cht l hirosunfua, c th dng ha cht no trong s cc ha cht sau y loihirosunfua ra khi hiro?

A. dd HCl B. dd Na2SO4 C. dd NOH D. dd H2SO4 lng.Cu 22. Mun tinh ch H2 c ln H2S ta dn hn hp kh vo dd:A. Pb(NO)3 B. CuCl2 C. NaOH D. Ca(OH)2 E. Tt c u ng.

Cu 26. Sc H2S vo dd no s khng to thnh kt ta?A. Ca(OH)2 B. CuSO4 C.AgNO3 D. Pb(NO)3

Cu 28. Trong cc P sau, P no cht tham gia P l H2SO4 c?A. H2SO4 + Cu CuSO4 + SO2 + H2OB. H2SO4 + Zn ZnSO4 + H2C. H2SO4 + Fe(OH)2 FeSO4 + H2OD. H2SO4 + Na2CO3 Na2SO4 + CO2 + H2O

Cu 29. Nguyn t ca nguyn t no trng thi c bn c s electron c thn l ln nht?


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A. Cl( Z = 17) B. P( Z= 15) C. S( Z= 16) D. Si( Z = 14).Cu 32. P no sau y khng dng iu ch kh H2S.?

A. S + H2 B. FeS + HCl C. FeS + HNO3 D. Na2S + H2SO4 lng

Cu 33. Cht no sau y va c tnh oxi ha va c tnh kh?A. H2S B. H2O2 C. O3 D. H2SO4.

Cu 34. Dng cc thng bng thp ng v ch c H2SO4 c v:

A. H2SO4 c khng P c vi St iu kin thng.B. Cho thm cht tr dung vo dd axt.C. Qut lp platin trn hai mt thng.D. H2SO4 c ni chung khng P vi kim loi.

Cu 40. Trong cng nghip nhi ta iu ch CuSO4 bng cch :(I) Ngm Cu trong dd H2SO4 lng v lin tc sc kh O2 qua.(II) Ha tan Cu bng dd H2SO4 c nng.

Cch no li hn?A. I B. Hai cch u nh nhau.C. II D. Phng php khc.

Cu 41. H2SO4 c, P2O5 , CaO thng c dng lm tc nhn ht nc lm kh cc cht kh. C th dng

cht no trong s cc cht trn lm kh kh H2S ?A. P2O5 B. H2SO4 c C. CaO D.C 3 cht.Cu 43. Tnh cht c bit ca H2SO4 c l; P vi:

A.. Fe, Al , NiS, NH B. Cu(OH) , NaCl, MgOC. BaCl2 , NaNO3 , Au. D. Cu , C12H22O11.

Cu 44. Axt sunfuric v mui ca n c th nhn bit nh:A. Cht ch thi mu B. dd mui bariC. P trung ha. D. Si dy ng.

Cu 45. Ngi ta phn bit SO2 v SO3 bng:A. dd Br2 B. dd KMnO4 C. dd BaCl2 D. Tt c u ng.

Cu 46. Axt sunfuric lng c tnh cht:

(1) P vi mt s mui (2) P vi Cu (3) P vi Mg.(4) P vi tt c cc oxt (5) Lm mt mu thuc th. (6) To thnh mui axt.Trong cc tnh cht trn, tnh cht no ng ?

A. (1), (3), (6). B. (2), (3), (6). C. (1), (2), (3), (5). D. Tt c u ng.Cu 48.Cc phn t: SO2 , PbS , Na2S2O3 c xp xp theo th t tng dn s oxi ha ca cc nguyn t S l:

A. PbS , Na2S2O3, SO2 B. Na2S2O3, PbS ,SO2C. PbS , SO2 , Na2S2O3 D. SO2 ,Na2S2O3 ,PbS.

Cu 49.Trong cc hp cht no S khng th hin tnh kh?A. KHS B .Na2SO3 C. SO2 D. H2SO4

Cu 50 .Trong cc hp cht no , nguyn t S khng th hin tnh oxi ha?A. Na2S B. Na2SO3 C. SO2 D. H2SO4

Cu 51. Cu hnh electron no l ca S trng thi kch thch S c th ta ra s oxi ho +6?A. 1s22s22p63s23p5 B. 1s22s22p63s22p4 C. 1s22s22p63s23p35d1 D. 1s22s22p63s13p35d2.Cu 52. Cho 12gam kim lai (ha tr 2) tc dng vi dd H2SO4 lng thu c 5,6 lt kh ( O0C , 2 atm). Kim loi l:

A. Ca B.Fe C. Zn D. Mg.Cu 53. Mt dd nc cha 1 mol H2SO4 c trn ln vi my dd nc cha 1 mol NaOH. Hn hp ccho bay hi cho n kh. Cht rn cn li sau bay hi l:

A. H2SO4 B. NaHSO4 C. NaOH D. Na2SO4.Cu 55. Xt P: 2H2 + O2 2H2O.Th tch oxi (ktc) cn bao nhiu lt P ht vi 6gam H2?

A. 2 B. 11,2 C. 16 D. 33,6.


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Cu 57. C bao nhiu gam SO2 hnh thnh khi cho 128 gam S P hon ton vi 100gam O2?A. 228g B. 256g C. 200g D. 100g.

Cu 58. T 300 tn qung pirt st ( 20% tp cht v hao ht 10%) th sn xut c khi lng dd H2SO4 98%l:.(tn)?

A. 400 tn B. 300 tn C. 360 tn D. Kt qu khc.Cu 59. Cho P: Fe + S FeS.Lng S cn P va ht vi 28 gam Fe l:

A. 1g B.8g C. 16g D. 6,4g.Cu 60. C 96 gam O2 c sinh ra t P phn tch O3 . S mol O3 cn cho P ny l?

A. 1 B. 2 C. 3 D. 4.Cu 61. Cho P : C8H18 + O2 CO2 + H2O. ktc , th tch khng kh cn t chy ht 228 gam C8H18 l:

A. 22,4 lt B. 2050 lt C. 560 lt D .2800 lt.Cu 63.Trn 30ml dd H2SO4 0,25M vi 40ml dd NaOH 0,2M. Nng ca Na2SO4 trong dd mi l:

A. 0,107 M B. 0,057M C. 0,285M D. 0,357M.Cu 64. Th tch SO2 sinh ra ktc khi cho 9,6 gam S tc dng ht vi 4,48 lt O2 ktc l:

A. 4,48 lt B. 6,72 lt C. 8,96 lt D. 11,2 lt.Cu 68. ha tan hn tn 5,1 gam mt oxt kim loi ha tr III ngi ta phi dng 43,8 gam dd HCl 25%. l oxt ca kim loi :

A. Fe B. Al C. Kim loi khc D. khng xc nh c.

Cu 69. Ngi ta dn kh CO2 vo 1,2 lt dd Ca(OH)2 0,1M thy to ra 5 gam mui khng tan cng vi mtmui tan.Th tch kh CO2 dng ktc l:

A. 4,256 lt. B. 3,205 lt C. 5,167 lt D. 3,5 lt.

TRC NGHIM CHNG 6Cu 1. Cu hnh electron nguyn t no l ca lu hunh trng thi kch thch?

A. 1s22s22p63s23p4. B.1s22s22p4.C. 1s22s22p63s23p33d1. D. 1s22s22p63s23p6.

Cu 2. Tnh cht no sau y khng ng vi nhm oxi (nhm VIA)?T nguyn t oxi n telu:A. m in ca cc nguyn t gim dn. B. Bn knh nguyn t tng dnC. Tnh bn ca hp cht vi hydro tng dn D. Tnh axit ca cc hydroxit gim dn

Cu 3. Cu no din t khng ng tnh cht ho hc ca lu hunh v hp cht ca n?A. Lu hunh va c tnh oxyho va c tnh khB. Hydrosunfua va c tnh oxyh va c tnh khC. Lu hunh dioxit va c tnh oxyho va c tnh khD. Axit sunfuric ch c tnh oxyh.

Cu 4. Hydropeoxit c th tham gia phn ngH2O2 + 2KI I2 + 2KOH


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H2O2 + Ag2O 2Ag + H2O + O2Tnh cht ca H2O2 c din t ng nht trong cc phn ng trn l:A. Ch c tnh oxyh . B. ch c tnh kh C. khng c tnh oxyh, khng c tnh kh D. va c tnh oxyh va c tnh kh

Cu 5. Bao nhiu gam So2 c to thnh khi t chy hon ton 128 gam lu hunh bng 100 gam O2?A. 100 B. 114 C. 200 D. 228

Cu 6.Cho phn ng: SO2 + 2H2S 3S + 2H2OCu no sau y din t ng phn ng trn?A. Lu hunh b oxyho v hydro b kh

B. lu hunh b kh v khng c s oxyhoC. lu hunh b kh v hydro b oxyho .D. Lu hunh trong SO2 b kh, trong H2S b oxyh .

Cu 7. oxit no sau y l hp cht ion?A. SO2 B. SO3 C. CO2 D. CaO

Cu 8. Axit sunfuric thng mi c khi lng ring 1,84g/ml v nng 96%. Pha long 25ml loi axitny vo nc c 500ml dung dch. Dung dch ny c nng mol l

A. 0,45M B. 0,9M C. 0,94M D. 1,8MCu 9. Hy ghp i cc cht ph hp vi tnh cht ca n trong hai ct sau:

Cc cht Tnh chtA. S 1. Ch c tnh oxyh .

B. SO2 2. Ch c tnh khC. H2S 3. Va c tnh oxyh va c tnh kh D. H2SO4 4. khng c tnh oxyh cng khng c tnh kh

Cu 10. Lu hunh dioxit tham gia nhng phn ng sau:SO2 + Br2 + 2H2O H2SO4 + 2HBr (1)SO2 + 2H2S 3S + 2H2O (2)A. phn ng (1), SO2 l cht kh v Br2 l cht oxyh .B. phn ng (2), SO2 l cht oxyh v H2S l cht khC. phn ng (2), SO2 va l cht kh va l cht oxyh .D. phn ng (1), SO2 l cht kh; phn ng (2), H2S l cht kh.Tm cu pht biu sai.

Cu 11. Trong phng trnh phn ng: H2SO4 + 8HI 4I2 + H2S + 4H2O.A. H2SO4 l cht oxyh, HI l cht kh.B. HI b oxyh thnh I2, H2SO4 b kh thnh H2S.C. HI oxyh H2SO4 thnh H2S v n b kh thnh I2.D. H2SO4 oxyh HI thnh I2 v n b kh thnh H2S.Tm cu tr li sai.

Cu 12. Th tch SO2 (ktc) thu c khi t chy hn tn 12 gam pirit st lA. 4,48 lit B. 2,64 lit C. 3,54 lit D. 8,12 lit

Cu 13. Cho P tc dng vi axit sunfuric c, phn ng xy ra theo phng trnh:P + H2SO4() H3PO4 + SO2 + H2O.Th tch SO2 (ktc) thu c khi c 6,2 gam P phn ng l

A. 15,6 lit B. 11,2 lit C. 22,4 lit D. 10,8 litCu 14. Cho cc cht (ct tri) v tnh cht tng ng (ct phi) nh sau:

1. Lu hunh a. Ch c tnh oxyho .2. Lu hunh dioxit b. Ch c tnh kh 3. kh hydrosunfua c. Va c tnh oxyh va c tnh kh 4. axit sunfuric d. khng c tnh cht oxyh, kh.Hy ghp cc cp cht v tnh cht cho ph hp.

Cu 15. Cc cu di y, cu no din t khng ng tnh cht ca cc cht?A. O2 v O3 u c tnh oxyho nhng O3 mnh hn.B. H2O v H2O2 u c tnh oxyho nhng H2O2 mnh hn.


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C. AxitH2SO3 vH2SO4 uctnh

oxyho nhng H2SO4 mnh hn.D. H2S v H2SO4 u c tnh kh nhng H2S mnh hn.

Cu 16. Trn dung dch cha 1 mol H2SO4 vi dung dch cha 1,5 mol NaOH. Sau khi phn ng xy rahon ton, cho dung dch bay hi n kh, cht rn thu c l:

A. NaHSO4 B. NaHSO4 v Na2SO4 C.Na2SO4 D. NaHSO4, Na2SO4 v NaOH.Cu 17. Axit H2SO4 lng c nhng tnh cht:

1. Phn ng vi mt s mui 2. Phn ng vi ng3. Phn ng vi nhm 4. phn ng vi tt c cc oxit5. lm mt mu cc thuc th 6. to c mui axitNhng ng l:

A. 1,3 v 6 B. 1,2,3 v 5 C. 2,3,5 v 6 D. 1,2,3,4 v 5Cu 18. Trong phng th nghim ngi ta iu ch O2 bng cc cho kalipemanganat tc dng vihydropeoxit theo phng trnh: KMnO4 + H2O2 + H2SO4 MnSO4 + O2 + K2SO4 + H2O

Nu c 2 mol H2O2 phn ng th th tch O2 (ktc) thu c lA. 44,8 lit B. 54,6 lit C. 32,4 lit D. 68,7 lit

Cu 19. Xc nh khi lng axit sunfuric iu ch c t 1,6 tn qung cha 60% FeS2. Bit hiusut qu trnh l 100%.

A. 1568kg B. 1,725 tn C. 1,20 tn D. 6320kgCu 20. C th nhn bit axit sunfuric v mui sunfat nh:

A. Cht ch th mu B. Dung dch mui Ba2+

C. phn ng trung ho D. Si dy ng

Cu 45. Cho chui P sau:

)2( S )5( NO2 )6( HNO3

FeS )1(

H2S )3(

H2SO4 )7(

CuSO4 )8(

Cu(NO3)2 )9(

O2 )4( SO2 )10( HBr

Trong 10 P ca dy chuyn ho trn , cc cht b tc thm cho tng P ln lt l :

A C D B E F G H

a S O2 SO3 H2 SO2 H2SO4 MnSO4 KHSO4

b H2 O2 H2O S H2S H2SO4 MnSO4 K2SO4

c S O2 SO2 H2 H2S H2SO4 c MnSO4 K2SO4

d Cu a, b ng


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Cu 46. Ho tan 1,8 gam mui sunft ca kim loi thuc nhm IIA trong nc ri pha long cho 500mldd. p ht vi dd ny cn 20 ml dd BaCl2 0,75M. Tm nng mol ca dd mui sunft pha ch v cngthc phn t ca mui?

A. 0,3M v CaSO4 B. 0,3M v MgSO4 C. 0,6M v CuSO4 D. 0,9M v BaSO4.Cu 47. X v Y l hai nguyn t lin tip nhau trong mt nhm A. Cu hnh electron lp ngoi cng ca X l2p4 . X v Y l hai nguyn t no sau y?

A. N v P B. C v Si C. O v S D. Kt qu khc.

Cu 48.Cu 49. Ho tan 19,2 gam kim loi M trong H2SO4 c, d thu c kh SO2 . Cho kh ny hp th hon tontrong mt lt dd NaOH 0,6M, sau P em c cn dd thu c 37,8 gam cht rn. M l kim loi no sau y?

A. Cu B. Mg C. Fe D. Ca.Cu 50. Khi cho 17,40 gam hp kim Y gm Fe , Cu , Al phn ng ht vi H2SO4 long, d ta c dd A ,6,40 gam cht rn v 9,856 lt kh B 27,30C , 1 atm.

a/ Phn trm khi lng mi kim loi trong hp kim ln lt l:A. 34,18 ; 34,79 v 31,03. B. 30,18 ; 38,79 v 31,03.C. 1,18 ; 37,79 v 31,03. D. 32,18 ; 36,79 v 31,03.

b/ Dung dch H2SO4 dng c nng 2M v c ly d 10% so vi l thuyt ( th tch dd thay ikhng ng k trong th nghim ). Nng mol cc mui trong dd A l:

A. u l 0,225 M B. 0,545 M v 0,455 MC. u l 0,455 M D. o,355M v 0,455 M

Cu 51: Cho 31,4 gam hn hp hai mui NHO3 v Na2CO3 vo 400 gam dd H2SO4 c nng 9,8%, ngthi un nng dd thu c hn hp kh A c t khi hi so vi hiro bng 28,66 v mt dd X. C% cc chttan trong dd ln lt l:

A. 6,86% va 4,73% B. 11,28% v 3,36% C. 9,28% v 1,36% D. 15,28% v 4,36%.Cu 52. Khi ho tan b gam oxt kim loi ho tr II bng mt lng va dd H2SO4 15,8% ngi ta thu cdd mui c nng 18,21%. Vy kim loi ho tr II l:

A. Ca B. Ba C. Be D. Mg.Cu 53. Ho tan 9,875 gam mt mui hirocacbonat ( mui X) vo nc v cho tc dng vi mt lng va dd H2SO4 ri em c cn th thu c 8,25 gam mt mui sunfat trung ho khan. Cng thc phn t ca mui X l:

A. Ba(HCO3)2 B. NaHCO3 C. Mg(HCO3)2 D. NH4HCO3.

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)

a HCl O2thiu

H2SO4 H2SO4 HNO3 H2O+ O2

Cu(OH)2 BaCl2 inphn

Br2

b HCl Cl2 Cl2 +H2O

H2SO4c

HNO3 H2O Cu, t0 Ba(NO3)2 inphn

Br2 +H2O

c H2SO4 H2SO4 Cl2 H2SO4 HNO3 H2O+ O2

CuO BaCO3 inphn

Br2

d Tt c u sai


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Cu 54. C 6 bnh mt nhn cha mt trong cc dd sau: Na2SO4, H2SO4 , HCl, NaCl, Ba(NO3)2 , Ba(OH)2.Nu ch dng thm mt ho cht lm thuc th th c th chn ho cht no sau y nhn bit cc chttrn ?

A. Qu tm B. Phenolphtalin C. dd AgNO3 D. dd Na2CO3.Cu 55. cCho 33,2 gam hn hp X gm Cu, Al, Mg tc dng va vi dd HCl thu c 22,4 lt kh ktcv cht rn khng tan B. Cho B ho tan hon ton vo dd H2SO4 c, nng, d thu c 4 ,48 lt kh SO2 ktc. Khi lng mi kim loi trong dd X ln lt l?

A. 13,8 g ; 11,8 g v 7,6g B. 11,8 g ; 11,8 g v 9,6 g.C. 12,8 g ; 10,8g v 9,6g D. Kt qu khc.

Cu 56. Cho 12,6 gam Cu tc dng vi dd H2SO4 dc, nng d. Kh sinh ra cho vo 200ml dd NaOH 2M. Himui no c to thnh v khi lng l bao nhiu?A. Na2SO3 v 24,2 gam. B. Na2SO3 v 25,2 gam.C. NaHSO3 15 gam v Na2SO3 26,2 gam D. Na2SO3 v 23,2 gam.

Cu 57. Ho tan hon ton 12,1 gam hn hp X gm Fe v kim loi M ho tr II trong dd H2SO4 long ththu c 4,48 lt kh H2 (ktc). Cng cho lng hn hp kim loi trn ho tan hon ton vo H2SO4 c,nng, d th thu c 5,6 lt kh SO2 (ktc). M l kim loi no sau y?

A. Ca B. Mg C. Cu D. Zn.

CHNG VIITC PHN NG V CN BNG HO HC

Cu 1. Pht biu no sau y ng?A. Bt c P no cng phi vn dng cc yu t nh hng n tc P mi tng c tc

P.B. Bt c P no cng ch vn dng mt trong cc yu t nh hng n tc P tng tc

P.C. Bt c P no khi p sut tng , tc p tng.D. Tu theo P m vn dng mt, mt s hay tt c cc yu t nh hng n tc p tng tc

p.

Cu 2. Tc ca P : X2 + Y2 2 XYDa vo biu thc tnh tc p th trong cc iu khng nh sau y, iu no ph hp vi biu

thc tnh tc phn ng?A. Tc ca PHH tng ln khi c mt cht xc tc.B. Tc ca PHH c o bng s bin i nng ca cc cht tham gia p.C. Tc ca PHH t l thun vi tch s cc nng ca cc cht tham gia p.D. Tc ca PHH thay i khi khi tng th tch dd cht tham gia p.

Cu 3. Mt PHH c biu din nh sau: Cc cht P Cc cht sn phm.Yu t no sau y khng nh hng n tc P?A. Cht xc tc B. Nng cc cht P.C. Nng cc sn phm D. Nhit .

Cu 4. Cho P: 2A + B C. Nng ban u ca A l 6M, ca B l 5M. Hng s vn tc k= 0,5.Vn tc P khi c 55% cht B tham gia P l:

A. 2,5 B. 1,5 C. 3,5 D. Tt c u sai.Cu 5. C P : A + B C. Bit rng nu nng ban u ca cht A l 0,01M, ca cht B l0,02M th sau 25 pht lng cht C hnh thnh l 10% khi lng cu hn hp. Nu nng cht A vn nhc, nng cht B l 0,01M th sau bao lu lng cht C thu c cng l 10%?

A. 4 pht B. 10 pht C. 5 pht D. 15 pht.Cu 6. Cho P : A(k) + 2B(k) C(k) + D(k)

a/ Khi nng cht B tng ln 3 ln v nng cht A khng i th tc P tng hay gim baonhiu ln?


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A. Tng 9 ln B. Gim 9 ln C. Tng 4,5 ln D. Kt qu khc.b/ Khi p sut ca h tng ln 2 ln th tc ca P tng ln l:A. 9 ln B . 8 ln C. 4 ln D. 6 ln.

Cu 7. Cho P : N2 + 3H2 2 NH3 . Sau mt thi gian , nng cc cht nh sau : [ ]2N =2,5 mol/lt; [ ]2H = 1,5 mol/ lt ; [ ]3NH = 2 mol/ lt. Nng ban u cu N2 v H2 ln lt l:

A. 2,5M v 4,5M B. 3,5M v 2,5M C. 1,5M v 3,5m D. 3,5M v 4,5M.Cu 8.Cho 5,6 g Fe tc dng vi dd H2SO4 4M nhit thng. no sau y l ng:

Tc ca P tng khi :A . Dng dd H2SO4 2M thay cho dd H2SO4 4M.

B . Tng th tch dd H2SO4 4M ln gp i.C . Gim th tch dd H2SO4 4M xung cn mt na.D . Dng dd H2SO4 6M thay cho dd H2SO4 4M.

Cu 9. Xt P : 2A(k) + B(k) 2D(k) .P thc hin trong bnh kn, dung tch khng i l V lt, nhit l t0C. Nu p sut tng ln 6 ln

th tc ca P tng ln my ln?A. 215 ln B. 216 ln C. 214 ln D. Kt qu khc.

Cu 10. Khi nhit tng thm 100C, tc ca PHH tng ln gp i. Nu nhit ca P tng t 250Cln 750C th tc ca P tng ln l bao nhiu?

A. 32 ln B. 16 ln C. 48 ln D. 64 ln.Cu 11. Xt P : H2 + Cl2 2HCl. Khi nhit tng thm 250C th tc ca P tng ln 3

ln.Vy khi nhit tng t 200C n 1700C th tc ca P tng l:A. 728 ln B. 726 ln C. 730 ln. D. Kt qu khc.

Cu 12. Khi nhit tng thm 100C th tc ca P tng 3 ln. Nu mun tc ca P tng ln 243ln th cvn phi thc hin nhit l bao nhiu? Bit P ang thc hin nhit 200C.

A. 700C B. 800C C. 900C D. 600C.Cu 13. Cho P : 2A(k) + B2(k) 2 AB(k) .c thc hin trong bnh kn. Khi p sut tng ln 4 ln thtc ca P thay i nh th no?

A. Tc P tng ln 32 ln. C. Tc P khng thay i.B. Tc P tng ln 64ln. D. Tc P tng ln 84ln.

Cu 14.Nu 1500C mt phh kt thc sau 16 pht. Nu h nhit xung 800C th thi gian kt thc l baonhiu pht? Bit h s nhit ca P trong khong nhit trn l 2,5.

A. 9660 pht B. 9670 pht C. 9760 pht D. 9770 pht.Cu 15. Khi nhit tng 10 0C th tc ca mt p tng ln 3 ln. Nu nhit gim t 700C xung cn400C th tc ca P gim l:

A. 27 ln B. 37 ln C. 26 ln D. 28 ln.

CN BNG HO HCCu 16. Hy cho bit trong cc cu sau y, cu no ng () , cu no sai (S) , in vo ch trng cho thchhp.TT Ni dung S

A Khi phn ng thun nghch trng thi cn bng th phnng dng li.

B Bt c phn ng no cng phi t ti trng thi cn bngho hc.

C Ch c phn ng thun nghch mi c trng thi cn bngho hc.

D trng thi cn bng khi lng cc cht 2 v caphng trnh phi bng nhau.

Cu 17. Cu tr li no sau y ng. Hng s cn bng K ca phn ng:A. Ph thuc vo s c mt ca cht xc tc.


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B. Ph thuc vo s tng hay gim th tch dd.C. Ph thuc vo nhit .D. Ph thuc vo p sut hoc nng .

Cu 18. Cho P : 2SO2 + O2 2SO3 H < 0.Phn ng c thc hin trong bnh kn. Yu t no sau y khng lm nng cc cht trong h cn bngthay i?

A. Bin i dung tch ca bnh phn ng.B. Bin i nhit .C. Bin i p sut.

D. S c mt cht xc tc.Cu 19. Cho P : CO + H2O CO2 + H2

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