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