TRNG THPT CHUYN BO LC

TRNG THPT CHUYN BO LC

THI TH LN 2 THI TH I HC 2015

MN HA HC

M thi 789

Cho bit nguyn t khi ca cc nguyn t:

H = 1; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; P = 31; S = 32; Cl = 35,5; Ca = 40; Cr = 52;

Fe = 56; Cu = 64; Zn = 65; Br = 80; Ag = 108; Ba = 137; Pb =207.

Cu 1: Cho a mol Al vo dung dch cha b mol Cu2+ v c mol Ag+, kt thc phn ng thu c dung dch cha 2 mui. Kt lun ng l:

A. c/3a < c/3 + 2b/3B. c/3ac/3 + 2b/3C. 3ca2b/3D. c/3 ab/3

Cu 2: Trong s cc dn xut ca benzen c cng thc phn t C8H10O2 c bao nhiu ng phn X va phn ng vi NaOH, va tho mn iu kin theo chui sau: X Y polime ?

A. 3.B. 2C. 6D. 4

Cu 3: chng n mn cho ng ng dn du bng thp chn di t, ngi ta dng phng php in ho. Trong thc t, ngi ta dng kim loi no sau y lm in cc hi sinh?

A. Zn.B. Sn.C. Cu.D. Na.Cu 4: Cng thc phn t tng qut ca este to bi ancol no, n chc, mch h v axit cacboxylic khng no, c mt lin kt i C=C, n chc, mch h l

A. CnH2n-2O2B. CnH2n+1O2C. CnH2nO2D. CnH2n+2O2Cu 5: Dy gm cc cht u tham gia phn ng thy phn l

A. Tinh bt, xenluloz, saccaroz, fructoz, glixerol.B. Tinh bt,xenluloz, saccaroz, este, glucoz.

C. Glucoz,xenluloz, tinh bt, saccaroz, fructoz.D. Tinh bt, xenluloz, saccaroz, este, cht bo.

Cu 6: Phn ng c phng trnh ion rt gn: HCO3- + OH- CO32- + H2O l

A. 2NaHCO3 + Ca(OH)2 CaCO3 + Na2CO3 + 2H2O.B. Ca(HCO3) + 2NaOH CaCO3 + Na2CO3 + 2H2O.C. NaHCO3 + HCl NaCl + CO2 + H2O.D. 2NaHCO3 + 2KOH Na2CO3 + K2CO3 + 2H2OCu 7: Nguyn t ca nguyn t A c tng s electron trong cc phn lp p l 7. Nguyn t ca nguyn t B c tng s ht mang in nhiu hn tng s ht mang in ca A l 8. A v B l cc nguyn tA. Al v BrB. Al v ClC. Mg v ClD. Si v Br

Cu 8: Khi nh t t n d dung dch HCl vo dung dch hn hp gm a mol Ba(OH)2 v b mol NaAlO2, kt qu th nghim c biu din trn th sau:

T l a: b ln lt l

A. 2:1B. 2:7C. 4:7D. 2:5

Cu 9: Dung dch A gm NaOH 1M v Ba(OH)2 0,5 M. Dung dch B gm AlCl3 1M v Al2(SO4)3 0,5 M. Cho V1 lit dung dch A vo V2 lit dung dch B thu c 427,5V2 gam kt ta. T s V1:V2 = ?

A. 3,5B. 2,537 v 3,5C. 3,5 v 3D. 3Cu 10: Chia hn hp gm hai ancol n chc X v Y (MX < MY) l ng ng k tip thnh hai phn bng nhau- t chy ha ton phn 1 thu c 3,808 lt kh CO2 (ktc) v 4,32 gam H2O.

- un nng phn 2 vi H2SO4 c 140oC to thnh 1,996 gam hn hp ba ete. Ha hi hon ton hn hp ba ete trn, thu c th tch hi l 0,3864 lt (136,5oC v 2 atm). Hiu sut phn ng to ete ca X v Y ln lt l

A. 62,5% v 70%.B. 70% v 62,5%.C. 50% v 50%.D. 65,2% v 70%.

Cu 11: Trong i sng, ngi ta thng s dng mt loi my dng "kh c" cho rau, hoa qu hoc tht c trc khi s dng. Cht no sau y c tc dng m do loi my trn to ra?

A. Cl2.B. H2.C. O2.D. O3.

Cu 12: Hp cht hu c mch h X c cng thc phn t C5H10O. Cht X khng phn ng vi Na, tha mn s chuyn ha sau: Z. Bit Z l este c mi chui chn. Tn ca X l:

A. 2 metylbutanal.B. 2,2 imetylpropanal. C. 3 metylbutanal.D. pentanal.Cu 13: Pht biu ng l

A. Vinyl axetat phn ng vi dung dch NaOH sinh ra ancol etylic.B. Phe nol c tnh axit yu , khng lm i mu qu tm.

C. Thy phn benzyl clorua thu c phe nol.D. C 4 ng phn amin c vng ben zen ng vi cng thc C7H9NCu 14: Cho cc dung dch amino axit sau: alanin, lysin, axit glutamic, valin, glyxin. S dung dch lm i mu qu tm l

A. 5.B. 4.C. 3.D. 2.Cu 15: C 4 gi bt trng: Glucoz, tinh bt, xenluloz, saccaroz. C th chn nhm thuc th no di y phn bit c c 4 cht trn:

A. H2O, dd AgNO3/NH3, dd I2B. H2O, dd AgNO3/NH3, dd HClC. H2O, dd AgNO3/NH3, dd NaOHD. H2O, O2 ( t chy), dd AgNO3/NH3Cu 16: Cho 0,1 mol tristearin (C17H35COO)3C3H5) tc dng hon ton vi dung dch NaOH d, un nng, thu c m gam mui. Gi tr ca m l

A. 45,9.B. 92,8.C. 91,8.D. 9,2.

Cu 17: Hn hp X gm H2, ankin v anken. T khi ca X i vi H2 l 8,2. Cho 11,2 lt hn hp X qua Ni nung nng thu c hn hp Y. Cho hn hp Y qua dung dch Br2 d thu c hn hp kh Z c th tch 3,36 lt. T khi ca Z i vi H2 l 7,0. Vy khi lng dung dch Br2 tng ln l:

A. 6,8 gamB. 6,1 gamC. 5,6 gamD. 4,2 gam

Cu 18: Nhng mt thanh st vo dung dch hn hp cha 0,02 mol AgNO3 v 0,05 mol Cu(NO3)2. Sau khi cc phn ng xy ra hon ton, khi lng thanh st tng m gam (coi ton b kim loi sinh ra bm vo thanh st). Gi tr ca m l

A. 2,00.B. 5,36.C. 1,44.D. 3,60.

Cu 19: Hirat ha hn hp etilen v propilen c t l mol 1:3 khi c mt axit H2SO4 long thu c hn hp ancol X. Ly m gam hn hp ancol X cho tc dng ht vi Na thy bay ra 448 ml kh (ktc). Oxi ha m gam hn hp ancol X bng O2 khng kh nhit cao v c Cu xc tc c hn hp sn phm Y. Cho Y tc dng vi AgNO3 trong NH3 d thu c 2,808 gam bc kim loi. Phn trm s mol ancol propan-1-ol trong hn hp l:

A. 75%B. 25%C. 12,5%D. 7,5%

Cu 20: Etyl fomat l cht mi thm, khng c, c dng lm cht to hng trong cng nghip thc phm, c phn t khi l:

A. 88B. 74C. 60D. 68

Cu 21: Cho 25,24 gam hn hp X gm Al, Mg, Cu, Ag tc dng va 787,5 gam dung dch HNO3 20% thu c dung dch Y cha a gam mui v 4,48 lt (ktc) hn hp kh Z gm N2O v N2, t khi ca Z so vi H2 l 18. C cn dung dch Y ri nung cht rn n khi lng khng i thu c b gam cht rn khan. Hiu s (a-b) gn vi gi tr no nht sau y?

A. 110,50.B. 151,72.C. 75,86D. 154,12.Cu 22: Nc cng la nc c cha nhiu cc ion no sau y ?

A. Mg2+; Ca2+B. Cu2+ ; K+C. Fe 2+; Na+D. Fe2+; K+Cu 23: Cho 200 ml dung dch Ba(OH)2 0,1M vo 300 ml dung dch NaHCO3 0,1M, thu c dung dch X v kt ta Y. Cho t t dung dch HCl 0,25M vo X n khi bt u c kh sinh ra th ht V ml. Bit cc phn ng u xy ra hon ton. Gi tr ca V l

A. 160.B. 280.C. 120.D. 80.

Cu 24: Cho phng trnh ha hc: Fe3O4 + HNO3Fe(NO3)3 + NaOb + H2O : Sau khi cn bng phng trnh ha hc trn vi cc h s l cc s nguyn ti gin th tng h s ca H2O v HNO3 lA. 66a - 18b.B. 66a - 48b.C. 45a - 18b.D. 69a - 27b.Cu 25: Cho cn bng ho hc sau: 2NH3 (k) N2 (k) + 3H2 (k). Khi tng nhit ca h th t khi ca hn hp so vi hiro gim. Nhn xt no sau y l ng?

A. Khi tng p sut ca h, cn bng chuyn dch theo chiu thun.

B. Khi tng nhit ca h, cn bng chuyn dch theo chiu thun.

C. Phn ng thun l phn ng to nhit.

D. Khi tng nng ca NH3, cn bng chuyn dch theo chiu nghch.

Cu 26: Cho cc phn ng:

(1). O3 + dung dch KI (6). F2 + H2O

(2). MnO2 + HCl c (7). NH3(d) + Cl2

(3). KClO3 + HCl c (8). HF + SiO2

(4) Dung dch HCl c + FeS2 (9). AlCl3 + ddNa2CO3

(5). NH3(kh) + CuO

S trng hp to ra n cht l

A. 7.B. 6.C. 8.D. 9.

Cu 27: Polime no sau y c tng hp bng phn ng trng hp?

A. Nilon-6,6B. PVC.C. T visco.D. protein.

Cu 28: t chy hon ton hn hp X gm anehit axetic, etyl axetat v an col propylic thu c 20,24 gam CO2 v 8,64 gam nc. Phn trm khi lng ca ancol propylic trong X l

A. 50,00%.B. 83,33%.C. 26,67%.D. 12,00%.

Cu 29: Khi tch nc 3-etylpentan-3 - ol thu c:

A. 3-etylpent-3-en.B. 2-etylpent-2-en.C. 3-etylpent-2-en.D. neo-hex-3-en.Cu 30: Thc hin cc phn ng sau:

1. Sc CO2 vo dung dch Na2SiO3 2. Sc SO2 vo dung dch H2S.

3. Cho dung dch HCl d vo dung dch NaAlO2. 4. Cho dung dch AlCl3 d vo dung dch NaOH.

5. Cho NaHSO4 d vo dung dch Ba(HCO3)2. 6. Sc H2S vo dung dch FeCl2.

7. Cho HI vo dung dch Fe2O3.

S th nghim to thnh kt ta sau phn ng l:A. 7. B. 6. C. 5. D. 4.

Cu 31: Phn ng no di y thuc loi phn ng oxi ha - kh?

A. CaO + CO2 CaCO3.

B. 2NO2 + 2NaOH NaNO3 + NaNO2 + H2O.

C. NaOH + HCl NaCl + H2O.D. AgNO3 + HCl AgCl + HNO3.Cu 32: Cht X c c im: t trn ngn la n kh, ngn la chuyn sang mu vng. X khng tc dng vi dung dch BaCl2. X l:

A. NaHCO3B. K2CO3C. Na2CO3D. KHCO3Cu 33: Cc kh thi cng nghip v ca cc ng c t, xe my...l nguyn nhn ch yu gy ra ma axit. Nhng thnh phn ha hc ch yu trong cc kh thi trc tip gy ra ma axit l:

A. SO2, CO, NO.B. NO2, CO2, CO.C. SO2, CO, NO2.D. NO, NO2, SO2.Cu 34: : Cho 31,15 gam hn hp bt Zn v Mg (t l mol 1:1) tan ht trong dung dch hn hp gm NaNO3 v NaHSO4 thu c dung dch A ch cha m gam hn hp cc mui v 4,48 lt (ktc) hn hp kh B gm N2O v H2. Kh B c t khi so vi H2 bng 11,5. m gn gi tr no nht?

A. 240B. 255C. 132D. 252

Cu 35:Khi sc t t n d CO2 vo dung dch hn hp gm a mol NaOH v b mol Ca(OH)2, kt qu th nghim c biu din trn th sau:

0

1,4

T l a : b l:

A. 4 : 5

B. 5 : 4

C. 2 : 3

D. 4 : 3

Cu 36: kh mi tanh ca c (gy ra do mt s amin) ta c th ra c vi:

A. NcB. Nc vi trongC. CnD. Gim

Cu 37: Cc nguyn t thuc nhm IA, theo chiu in tch ht nhn tng dn th

A. bn knh nguyn t tng dn.B. nng lng ion ha tng dn.

C. tnh kh gim dn.D. m in tng dn.

Cu 38: Cht no sau y dng b bt xng gy, nn tng, trang tr

A. GB. ViC. Thch caoD. Xi mng

Cu 39: C 3 cc thy tinh cha 20 ml dd H2O2 c cng nng ri tin hnh 3 th nghim nh hnh v di y:

Cu 40: in phn 100 ml dung dch Cu(NO3)2 2M vi in cc tr trong t giy, cng dng in khng i 1,93A (hiu sut qu trnh in phn l 100%), thu c cht rn X, dung dch Y v kh Z. Cho 16,8 gam Fe vo Y, sau khi cc phn ng kt thc thu c 15,99 gam hn hp kim loi v kh NO (sn phm kh duy nht ca N+5). G i tr ca t lA. 5000.B. 4820.C. 3610.D. 6000.

Cu 41: Cho dung dch A cha cc ion K+ (0,03 mol), M+, SO42-, CO32-. Cho dung dch tc dng vi BaCl2 d thu c 8,6 gam kt ta. Cho dung dch A tc dng vi H2SO4 long d thu c 0,448 lit kh (ktc). Khi c cn dung dch thu c 5,19 gam mui khan. ion M+ l

A. Na+.B. Li+.C. NH4+.D. Rb+.

Cu 42: Hn hp X gm Fe2O3 v Cu. Cho m gam hn hp X tc dng vi dung dch HCl va thu c dung dch cha 122,76 gam cht tan. Cho m gam hn hp X tc dng vi dung dch H2SO4 long va thu c dung dch Y cha 3 cht tan vi t l s mol 1 : 2 : 3. Dung dch Y lm mt mu ti a bao nhiu gam KMnO4 trong mi trng axit sunfuric?

A. 6,162B. 5,846C. 5,688D. 6,004

Cu 43: Hp cht hu c X tc dng c vi dung dch KOH v dung dch brom nhng khng tc dng vi dung dch KHCO3. Tn gi ca X l

A. axit acrylic.B. vinyl axetatC. anilin.D. ancol benzylic.

Cu 44: Hnh v no m t ng cch b tr dng c th nghim iu ch oxi trong phng th nghim

Cu 45: Cho hnh v m t qua trnh xc nh C v H trong

hp cht hu c.

Hy cho bit s vai tr ca CuSO4 (khan) v bin i

ca n trong th nghim.

A. Xc nh C v mu CuSO4 t mu trng sang mu xanh.

B. Xc nh H v mu CuSO4 t mu trng sang mu xanh

C. Xc nh C v mu CuSO4 t mu xanh sang mu trng.

D. Xc nh H v mu CuSO4 t mu xanh sang mu trng

Cu 46: Ho tan 1,68 gam Fe bng dung dch HNO3 c nng (d), sinh ra V lt kh NO2 (sn phm kh duy nht, ktc). Gi tr ca V l

A. 2,106.B. 2,24.C. 2,016.D. 3,36.Cu 47: Cho a gam hn hp X gm hai -aminoaxit no, h cha mt nhm amino, mt nhm cacboxyl tc dng 40,15 gam dung dch HCl 20% thu c dung dch A. tc dng ht cc cht trong dung dch A cn 140 ml dung dch KOH 3M. t chy hon ton a gam hn hp X thu c sn phm chy gm CO2, H2O, N2 c dn qua bnh ng dung dch Ca(OH)2 d thy khi lng bnh tng 32,8 gam. Bit t l khi lng phn t ca chng l 1,56. Aminoaxit c phn t khi ln l :

A. valinB. tyrosin

C. lysin

D. alaninCu 48: Mt hn hp rn X gm 1,5 mol Ba, 1 mol K v 3,5 mol Al c cho vo nc (d). Hin tng xy ra l:

A. X khng tan htB. Al ch b tan mt phnC. Ch c Ba v K tanD. X tan htCu 49: Kem nh rng cha mt lng mui ca flo, nh , , c tc dng bo v lp men rng v n thay th mt phn hp cht c trong men rng l thnh . iu ny c ngha quan trng trong bo v rng v:

A. lp c th phn ng vi cn li trong khoang ming sau khi nB. lp khng b mi trng axit trong ming sau khi n bo mnC. lp l hp cht tr, bm cht v bao ph ht b mt ca rngD. lp c mu trng sng, to v p cho rngCu 50: Trng hp khng xy ra phn ng vi NaHCO3 khi :

A. tc dng vi kim.B. tc dng vi CaCl2.C. un nng.D. tc dng vi axit.

----------- HT ----------

Bng v CuSO4(khan)

Hp cht hu c

dd Ca(OH)2

0,5

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