http://hocdethi.blogspot.com/2013/04/kiem-tra-hoc-ky-2-mon-thi-hoa-hoc-10khtn.html
http://hocdethi.blogspot.com/2013/08/e-thi-hoc-ki-ii-mon-hoa-lop-10-nang-cao.html
Thi hc Ki II- NC ha lp 10
Cu 1:Ngm 1 l kim loi M ( ha tr II) c khi lng 50g trong dung dch HCl , sau phn ng thu c 336ml H2(kc) th khi lng l kim loi gim 1,68%. M l kim loi no?
A.Ca
B.Al
C.Fe
D.Mg
Cu 2: phn bit O2v O3c th dng
A.Dung dch KBr c h tinh bt
B.Que m c than hng
C.H tinh bt
D.Dung dch KI c h tinh bt
Cu 3:Phn ng no sau y khng xy ra
A. Na2S + Pb(NO3)2PbS + 2NaNO3
B.H2S+ Pb(NO3)2PbS + 2 HNO3
C.FeS + 2HClFeCl2+ H2S
D.CuS + 2HClCuCl2+ H2S
Cu 4:Khi nhit tng ln 100C , tc mt phn ng ha hc tng ln 2 ln. Hi tc phn ng thay i nh th no khi nhit gim t 700C n 400C
A.Gim 8 ln
B.tng 6 ln
C.Tng 8 ln
D.Gim 6 ln
Cu 5:Thc nghim cho bit tc ca phn ng : A2 + B22AB c tnh theo biu thc v = k[A2][B2]. Trong s cc iu khng nh di y, iu no ph hp vi biu thc trn?
A.Tc ca phn ng ha hc tng ln khi c mt cht xc tc.
B.Tc ca phn ng ha hc c o bng s bin i nng ca cc cht d phn ng trong mt n v thi gian
C.Tc ca phn ng ha hc gim dn theo tin trnh phn ng.
D.Tc ca phn ng ha hc t l thun vi tch cc nng ca cc cht d phn ng.
Cu 6:Trong y t n cht halogen no ha tan trong ru c dng lm cht st trng
A.Iot
B. Flo
C. Brom
D. Clo
Cu 7:Ly 3 lt kh H2cho tc dng vi 4 lt kh Cl2.Hiu sut phn ng l 90% . Th tch hn hp kh thu c l
A.6 lt
B.7 lt
C.6,3 lt
D.5 lt
Cu 8:Hi thy ngn rt c , bi vy khi lm v nhit k thy ngn th cht bt c dng rc ln thy ngn ri gom li l
A. mui n
B.lu hunh
C.ct
D.vi sng
Cu 9:Cho 130 gam hn hp ACO3, B2CO3, R2CO3tan hon ton trong dd HCl thy thot ra 8,96 lt kh CO2(kc) . C cn dung dch s thu c lng mui khan l
A.115,11 g
B. 117,2g
C.145,22g
D.134,4g
Cu 10:C 3 bnh ring bit ng dung dch : HCl , H2SO3, H2SO4. Thuc th duy nht c th phn bit cc dung dch trn l
A. Qu tm
B. Dung dch Ba(OH)2
C. Dung dch BaCl2
D.c A, B C u ng
Cu 11:Cho phn ng N2(k) + O2(k)---------2NO (k);
Hy cho bit nhng yu t no di y u nh hng n s chuyn dch cn bng ha hc trn?
A.Cht xc tc v nhit
B.p sut v cht xc tc
C.Nhit v nng
D.Nng v p sut
Cu 12:Dung dch HCl phn ng c vi tt c cc cht trong nhm cht no sau y:
A. NaCl, Ag, Ca(OH)2, KOH
B. Zn, CaO, Fe(OH)3, Na2CO3
C. Al(OH)3, Mg, NaNO3, Na2CO3
D.CaO, Na2CO3, Na2SO4, Fe(OH)2
Cu 13:Cho cn bng ha hc : 2SO2(k) + O2(k)2SO3(k);
Pht biu ng l :
A.cn bng chuyn dch theo chiu nghch khi gim nng SO3
B.cn bng chuyn dch theo chiu thun khi gim p sut h phn ng
C.Cn bng chuyn dch theo chiu thun khi tngnhit
D.Cn bng chuyn dch theo chiu nghch khi gim nng O2
Cu 14:C mt hn hp kh oxi v ozon. sau mt thi gian, ozon b phn hy ht , ta c mt cht kh duy nht c th 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 5%
C.50% v 50%
D.97% v 3%
Cu 15:C cc dung dch khng mu sau : HCl, H2SO4, NaCl, Na2SO4. S dng ha cht no cho di y phn bit cc dung dch trn bng phuung php ha hc?
A.Qu tm
B.BaCO3
C.BaCl2v AgNO3
D.AgNO3
Cu 16:Tm cusai:
A.Brom phn ng vi hiro nhit thng
B.Brom v Iot phn ng trc tip vi nhiu kim loi
C.Brom v Iot l nhng cht oxi ha mnh nhng km clo.
D. nhit cao, Iot phn ng vi hiro
Cu 17:Cho 1 mol H2tc dng vi 1 mol X2. Phn ng xong thu c t hn 2 mol HX. X2l cht no ?
A.Cl2
B.F2
C.I2
D.Br2
Cu 18:Cho s phn ng A + BFeCl3 HCl + BC + H2
A, B , C ln lt l
A. Fe, Cl2, FeCl2
B. Fe, FeCl2, Cl2
C. Cl2, Fe, FeCl2
D. Cl2, FeCl2, Fe
Cu 19:Ha tan hon ton m gam hn hp gm 2 kim loi trong dung dch HCl d to ra 2,24 lt kh (kc). C cn dung dch sau phn ng thu c 19,1 gam mui khan. m c gi tr l
A.12,1g
B.14g
C.13g
D.12g
Cu 20:Cho 12,8 gam ng tc dng vi H2SO4c , nng d, kh sinh ra cho vo 200ml dung dch NaOH 2M . Hi mui no c to thnh v khi lng bng bao nhiu?
A.NaHSO3v 23,2 gam
B.NaHSO315 gam v Na2SO326,2 gam
C.Na2SO3v 25,2 gam
D.Na2SO3v 12,6 gam
Cu 21:Ha tan 5,16g oleum X vo nc , ngi ta phi dng 600ml dung dch KOH 0,2M trung ha dung dch X. Cng thc phn t oleum X l cng thc no sau y:
A.H2SO4.4SO3
B.H2SO4.3SO3
C.H2SO4.2SO3
D.H2SO4.nSO3
Cu 22:Cho 2,13 gam mt hn hp gm 3 kim loi Mg, Cu, Al dng bt tc dng hon ton vi oxi thu c 3,33 gam hn hp cc oxit X. Th tch H2SO41M cn dng phn ng ht vi X l
A.100ml
B.75ml
C.25ml
D.37,5ml
Cu 23:Cho 2,17 g Al, Fe, Zn tc dng ht vi dung dch HCl thu c 3,36 lt kh ( 1at, 2730C). C cn dung dch sau phn ng thu c m gam cht rn khan. m c gi tr l
A.7,594g
B.7,594g
C.7,954g
D.7,495g
Cu 24:Khi m mt l ng dung dch HCl m c trong khng kh m ta thy c khi trng thot ra l do:
A.HCl km bn b khng kh phn hy
B.HCl tan trong khng kh n mc bo ha.
C.HCl phn hy to thnh H2v Cl2.
D.HCl d bay hi, ht m to ra cc git nh axit HCl.
Cu 25:Cho phn ng: N2 + 3 H2 2 NH3 ;< 0 , phn ng xy ra theo chiu thun phi:
A. tng nhit phn ng.
B. gim p sut phn ng.
C. tng nng NH3.
D. tng p sut phn ng
Cu 26:Trn 5,6 gam bt st vi 2,4 gam bt lu hunh ri nung nng ( trong iu kin khng c khng kh ) thu c hn hp rn m. Cho M tc dung vi lng d dung dch HCl , gii phng hn hp kh X v cn li phn rn khng tan G. t chy hon ton X v G cn va V lt kh O2( kc) . Gi tr ca V l
A.2,80
B.3,36
C.4,48
D.3,08
Cu 27:Dn 5,6 lt Cl2(kc) qua bnh ng Al v Mg ( t l mol 1 :1 ) nung nng n phn ng hon ton thu c m gam mui . m c gi tr l
A. 25,65g
B. 28,25g
C. 22,85g
D. 26,85g
Cu 28:Cho 5,5g hn hp gm Al v Fe vo dung dch HSO4long d thy khi lng dung dch tng 5,1g . S mol H2SO4tham gia phn ng l
A.0,04mol
B.0,4 mol
C.0,2mol
D.0,02 mol
Cu 29:Ha tan 4,48 lt HCl (kc) vo m g dung dch HCl 20% thu c dung dch axit clohiric 23,71%. m c gi tr l
A. 140g
B. 200g
C. 120g
D. 150g
Cu 30:Chn pht biusai:
A.Flo y c clo ra khi dung dch NaCl
B.Clo tc dung vi st to mui st (III) clorua
C.C th iu ch c nc clo nhng khng iu ch c nc flo
D.Khng th iu ch HBr bng cch cho NaBr tc dng vi H2SO4c
Cu 31: 1500C , mt phn ng kt thc trong 16 pht. Hi 2000C phn ng kt thc trong bao lu? Cho bit h s nhit ca phn ng l 2.
A.40 giy
B.20 giy
C.30 giy
D.35 giy
Cu 32:Nhn xt no sau y khng ng khi ni n CaOCl2
A.Nguyn liu lm nc Giaven
B.Cht st trng, ty trng si vi
C.L mui hn tp ca axit hipoclor v axit clohidric
D.Cht bt trng, lun bc mi clo
Cu 33:Trong cc tnh cht sau, tnh cht no khng phi l chung cho cc halogen?
A.Nguyn t ch c kh nng kt hp vi mt electron
B.C s oxi ha -1 trong mi hp cht
C.To ra vi hiro hp cht c lin kt phn cc.
D.Lp electron ngoi cng ca nguyn t c 7 electron.
Cu 34:Hng s cn bng K ca phn ng ph thuc vo yu t no sau y?
A.Nng
B.Cht xc tc
C.Nhit
D.p sut
Cu 35:Cht no sau y va c tnh oxi ha va c tnh kh
A.O3
B.H2O2
C. H2SO4
D. H2S
Cu 36:Cho hn hp X gm 0,8 mol mi kim loi Mg, Al., Zn vo dung dch H2SO4c, nng d thu c 0,7 mol mt sn phm kh duy nht cha lu hunh. Xc nh sn phm kh?
A. SO2
B.S
C.H2S
D.Khng xc nh c
Cu 37:Cc kh sinh ra khi cho saccaror vo dung dch H2SO4c ,nng d l
A. H2S, CO2
B.SO3, CO2
C.SO2, CO2
D.SO2, H2S
Cu 38:SO2lun th hin tnh kh trong cc phn ng vi
A.O2, nc brom , dung dch KMnO4
B.dung dch NaOH, O2, dung dch KMnO4
C. H2S , O2, nc Br2
D.dung dch KOH, CaO, nc Br2
Cu 39:Trong phn ng oxi ha kh sau :
H2S + KMnO4+ H2SO4S + MnSO4+ K2SO4+ H2O
H s cn bng ca H2O l
A.5
B.3
C.8
D.2
Cu 40:Dung dch H2S trong nc khi lu ngy tr nn c. Hin tng ny c gii thch nh sau:
A.H2S b oxi ha khng hon ton thnh H2O v S
B.H2S phn ng vi SO2trong khng kh to thng H2Ov S
C.H2S b oxi ha hon ton thnh H2O v SO2
D.H2S b phn hy thnh H2v S
Cu
244
24
D
1
C
25
D
2
D
26
B
3
D
27
C
4
A
28
C
5
D
29
D
6
A
30
A
7
B
31
C
8
B
32
A
9
D
33
B
10
B
34
C
11
C
35
B
12
B
36
C
13
D
37
C
14
A
38
A
15
B
39
C
16
A
40
A
17
C
18
C
19
D
20
C
21
C
22
B
23
D