De Thi Thu DH Hoa AB 2013

7/29/2019 De Thi Thu DH Hoa AB 2013

1/7

THI THI HC CAO NG S 1 NM 2013

MN: HA HC; KHI A - B

Thi gian lm bi: 90 pht, khng k thi gian pht

H tn th sinh:.SBD.

Cu 1. Ba dung dch sau c cng nng mol/L: H2SO4; Na2SO4; NaHSO4. Gi tr pH cachng tng theo th t:

A. Na2SO4; NaHSO4; H2SO4 B. Na2SO4; H2SO4; NaHSO4C. NaHSO4; H2SO4; Na2SO4 D. H2SO4; NaHSO4; Na2SO4Cu 2. Cho hn hp Fe + Cu tc dng vi dung dch HNO3. Sau khi phn ng kt thc,

dung dch A thu c ch cha hai mui v cn c kim loi cha phn ng. Hai mui l

A. Fe(NO3)3, Fe(NO3)2.

B. Fe(NO3)2, Cu(NO3)2 .C. Fe(NO3)3, Fe(NO3)2 hoc Fe(NO3)2, Cu(NO3)2.

D. Fe(NO3)3, Cu(NO3)2.

Cu 3. Khi lng ring ca canxi kim loi l 1,55 g/cm3. Gi thit rng, trong tinh th canxicc nguyn t l nhng hnh cu chim 74% th tch tinh th, phn cn li l khe rng. Bn

knh nguyn t canxi tnh theo l thuyt l

A. 0,155 nm. B. 0,185 nm. C. 0,168 nm. D. 0,196 nm.

Cu 4. iu no l ng trong cc cu sau?

A. Khi in phn dung dch CuSO4 th pH ca dung dch tng dn.

B. Khi in phn dung dch NaCl th pH ca dung dch gim dn.

C. Khi in phn hn hp dung dch CuSO4 + NaCl th pH ca dung dch khng i.

D. Khi in phn dung dch hn hp HCl + NaCl th pH ca dung dch tng dn.

Cu 5. Kh va c tnh oxi ha, va c tnh kh l:

A. SO2. B. H2S. C. CO2. D. NH3.

Cu 6. Cho 13,8 gam cht hu cX c cng thc phn t C7H8 tc dng vi mt lng ddung dch AgNO3 trong NH3, thu c 45,9 gam kt tA. X c bao nhiu ng phn cu totha mn tnh cht trn?

A. 5. B. 6. C. 4. D. 2.

Cu 7. Cho 0,1 mol hn hp X gm hai anehit no, n chc, mch h, k tip nhau trongdy ng ng tc dng vi lng d dung dch AgNO3 trong NH3, un nng thu c 32,4gam Ag. Hai anehit trong X l

A. HCHO v C2H5CHO. B. HCHO v CH3CHO.

C. C2H3CHO v C3H5CHO. D. CH3CHO v C2H5CHO.

Cu 8. Bit th t dy in ha: Fe2+/Fe < 2H+/H2 < Cu2+/Cu < Fe

3+/Fe

2+

Phn ng no l sai trong s cc phn ng sau y?

M : 121

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A. Fe + 2Fe3+ 3Fe2+ B. Fe2+ + 2H+ Fe3+ + H2

C. Fe + Cu2+ Fe2+ + Cu D. Cu + 2Fe3+ Cu2+ + 2Fe2+

Cu 9. Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3,75. Dn X qua Ni nungnng, thu c hn hp kh Y c t khi so vi He l 5. Hiu sut ca phn ng hiro ho l

A. 20%. B. 25%. C. 50%. D. 40%.

Cu 10.iu no l sai trong s cc iu sau?

A. Hn hp Na2O + Al2O3 c th tan ht trong H2OB. Hn hp Fe2O3 + Cu c th tan ht trong dung dch HCl

C. Hn hp KNO3 + Cu c th tan ht trong dung dch NaHSO4D. Hn hp FeS + CuS c th tan ht trong dung dch HCl

Cu 11. Hn hp kh X gm 0,3 mol H2 v 0,1 mol vinylaxetilen. Nung X mt thi gian vixc tc Ni thu c hn hp kh Y c t khi so vi khng kh l 1. Nu cho ton b Y sc t

t vo dung dch brom (d) th c m gam brom tham gia phn ng. Gi tr ca m l

A. 16,0. B. 3,2. C. 8,0. D. 32,0.

Cu 12. Cho mt ming t n vo nc dc dung dch A v khB. t chy honton kh B, sn phm chy cho rt t t qua dung dch A. Hin tng no quan st ctrong s cc trng hp sau?

A. Sau phn ng thy c kt ta

B. Khng c kt ta no to ra

C. Kt ta sinh ra, sau b ha tan ht

D. Kt ta sinh ra, sau b ha tan mt phn

Cu 13. Dy no sau y ch gm cc cht va tc dng c vi dung dch HCl, va tcdng c vi dung dch AgNO3?

A. Fe, Ni, Sn. B. Al, Fe, CuO. C. Zn, Cu, Mg. D. Hg, Na, CA.

Cu 14. Nhng thanh kim loi R cha bit ha tr vo dung dch cha 0,03 mol CuSO4. Phnng xong, nhc thanh R ra, thy khi lng tng 1,38 gam. R l:

A. Mg (24) B. Al (27) C. Fe (56) D. Zn (65)

Cu 15. C phn ng: X + HNO3 Fe(NO3)3 + NO + H2O

S cht X c th thc hin phn ng trn l:

A. 3 B. 4 C. 5 D. 6Cu 16. Trong s:

Cu + X A + B Fe + A B + Cu

Fe + X B B + Cl2 X

th X, A, B ln lt l:

A. FeCl3; FeCl2; CuCl2 B. FeCl3; CuCl2; FeCl2C. AgNO3; Fe(NO3)2; HNO3 D. HNO3; Fe(NO3)2; Fe(NO3)3

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3/7

Cu 17. Cho 1,82 gam hp cht hu c n chc, mch h X c cng thc phn tC3H9O2N tc dng va vi dung dch NaOH, un nng thu c kh Y v dung dch Z.

C cn Z thu c 1,64 gam mui khan. Cng thc cu to thu gn ca X l

A. HCOONH3CH2CH3. B. CH3COONH3CH3.

C. CH3CH2COONH4. D. HCOONH2(CH3)2.

Cu 18. Ha tan 1,17 gam NaCl vo nc ri em in phn c mng ngn, thu c 500

ml dung dch c pH = 12. Cho Na = 23; Cl = 35,5. Phn trm NaCl in phn lA. 15% B. 25% C. 35% D. 45%

Cu 19. kh hon ton 200 mL dung dch KMnO4 0,2M to thnh cht rn mu nu encn V lt kh C2H4 (ktc). Gi tr ti thiu ca V l

A. 1,344. B. 2,688. C. 4,480. D. 2,240.

Cu 20.in phn dung dch mui nitrat ca kim loi R cha bit ha tr, thy catot tch

ra 5,4 gam kim loi, anot thot ra 0,28 lt kh (ktc). Kim loi R l:

A. Fe (56) B. Cu (64) C. Ag (108) D. Pb (207)

Cu 21. Ho tan 13,68 gam mui MSO4 vo nc c dung dch X. in phn X (vi incc tr, cng dng in khng i) trong thi gian t giy, c y gam kim loi M duy

nht catot v 0,035 mol khanot. Cn nu thi gian in phn l 2t giy th tng s mol

kh thu c c hai in cc l 0,1245 mol. Gi tr ca y l

A. 3,920. B. 1,680. C. 4,480. D. 4,788.

Cu 22. Hn hp X gm N2 v H2 c__

M = 7,2 g/mol. Sau khi tin hnh phn ng tng hp

NH3, c hn hp Y c__

M = 8 g/mol. Hiu sut phn ng tng hp l:

A. 10%. B. 15% C. 20% D. 25%

Cu 23. Nhit phn hon ton hn hp gm x mol AgNO3 v y mol Cu(NO3)2c hn

hp kh c__

M = 42.5 g/mol.T s x/y l:

A. 1 B. 2 C. 3 D. 4

Cu 24. X phng ho hon ton 1,99 gam hn hp hai este bng dung dch NaOH thu c2,05 gam mui ca mt axit cacboxylic v 0,94 gam hn hp hai ancol l ng ng k tip

nhau. Cng thc ca hai este l

A. CH3COOCH3 v CH3COOC2H5. B. C2H5COOCH3 v C2H5COOC2H5.

C. CH3COOC2H5 v CH3COOC3H7. D. HCOOCH3 v HCOOC2H5.Cu 25. Nhit phn hon ton 4,7 gam mt mui nitrat ca kim loi M c ha tr khng i,c 2 gam cht rn A v hn hp khB. Kim loi M l:

A. K (39) B. Cu (64) C. Ag (108) D. Pb (207)

Cu 26. Khi t chy hon ton m gam hn hp hai ancol no, n chc, mch hthu cV lt kh CO2 (ktc) v a gam H2O. Biu thc lin h gia m, a v V l:

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4/7

A. m = 2a V

22.4. B. m = 2a

V

11.2.

C. a +V

5.6. D. a +

V

5.6.

Cu 27. 0,92 gam hn hp hai kim loi kim c cng s mol tan ht trong nc to ra 0,02mol H2. Cho Li = 7; Na = 23; K = 39; Rb = 85. Hai kim loi kim l:

A. Li, Na B. Na, K C. Li, K D. Li, RbCu 28. X l anehit mch h. 1 th tch hi ca X cng c vi ti a 3 th tch H2 sinh raru Y. Y tc dng vi Na dc th tch H2ng bng th tch ca X ban u (cc th tch

o cng iu kin). X c cng thc tng qut l:

A. CnH2n-3CHO B. CnH2n(CHO)2 C. CnH2n-1CHO D. CnH2n-2(CHO)2

Cu 29. Cho dy cc cht v ion: Zn, S, FeO, SO2, N2, HCl, Cu2+

, Cl

. S cht v ion c c

tnh oxi ha v tnh kh l

A. 7. B. 5. C. 4. D. 6.

Cu 30. Ho tan hon ton 12,42 gam Al bng dung dch HNO3 long (d), thu c dungdch X v 1,344 lt (ktc) hn hp kh Y gm hai kh l N2O v N2. T khi ca hn hp

kh Y so vi kh H2 l 18. C cn dung dch X, thu c m gam cht rn khan. Gi tr ca m

l

A. 38,34. B. 34,08. C. 106,38. D. 97,98.

Cu 31. Nung hn hp A gm CaCO3 v CaSO3 ti phn ng hon ton c cht rn B ckhi lng bng 50,4% khi lng ca hn hp A. Cht rn A c % khi lng hai cht lnlt l:

A. 40% v 60% B. 30% v 70% C. 25% v 75% D. 20% v 80%Cu 32. Ho tan hon ton 14,6 gam hn hp X gm Al v Sn bng dung dch HCl (d), thuc 5,6 lt kh H2 (ktc). Th tch kh O2 (ktc) cn phn ng hon ton vi 14,6 gam

hn hp X l

A. 2,80 lt. B. 1,68 lt. C. 4,48 lt. D. 3,92 lt.

Cu 33. Cho cn bng sau trong bnh kn: 2NO2 (k) N2O4 (k).

(mu nu ) (khng mu)

Bit khi h nhit ca bnh th mu nu nht dn. Phn ng thun c

A. H > 0, phn ng ta nhit. B.H < 0, phn ng ta nhit.

C. H > 0, phn ng thu nhit. D.H < 0, phn ng thu nhit.

Cu 34. Cho 7,68 gam Cu vo 200 ml dung dch gm HNO3 0,6M v H2SO4 0,5M. Sau khicc phn ng xy ra hon ton (sn phm kh duy nht l NO), c cn cn thn ton b dung

dch sau phn ng th khi lng mui khan thu c l

A. 20,16 gam. B. 22,56 gam. C. 19,76 gam. D. 19,20 gam.

Cu 35. C 2 axit A v B:

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Ly 1 mol A trn vi 2 mol B ri cho tc dng vi Na d, c 2 mol H2

Ly 2 mol A trn vi 1 mol B ri cho tc dng vi Na d, c 2,5 mol H2. S nhm chc

trong A v B l:

A. A n chc, B n chc. B. A n chc, B hai chc.

C. A hai chc, B n chc. D. A hai chc, B hai chc.

Cu 36. Hp cht thm C7H8O c s cng thc cu to l:

A. 6. B. 5. C. 4. D. 3.Cu 37. 6,94 gam hn hp FexOy v Al ha tan trong 100 ml dung dch H2SO4 1,8M, sinh ra0,672 lt H2 (ktc). Bit lng axit ly d 20% so vi lng cn thit phn ng. FexOy l:

A. FeO. B. Fe3O4. C. Fe2O3. D. Khng tm c

Cu 38. nhn bit cc cht etanol, propenol, etilenglicol, phenol c th dng cc cpcht:

A. Nc Br2 v NaOH. B. NaOH v Cu(OH)2.

C. KMnO4 v Cu(OH)2. D. Nc Br2 v Cu(OH)2.

Cu 39.t chy hon ton 1V hi cht A cn 1V oxi, thu c 1V CO2 v 1V hi H2O(cc th tch o cng iu kin). A l:

A. HCHO. B. CH3OH. C. HCOOH. D. HCOOCH3.

Cu 40 Cho dy chuyn ha sau:

Benzen 2 40C H

t , xt

+

X 2Br ,as

t lmol1:1Y 2 50

KOH/C H OH

tZ (trong X, Y, Z l sn phm chnh)

Tn gi ca Y, Z ln lt l

A. 1-brom-1-phenyletan v stiren. B. 1-brom-2-phenyletan v stiren.

C. 2-brom-1-phenylbenzen v stiren. D. benzylbromua v toluen.Cu 41. Pht biu no sau y l ng?

A. Phn ln cung cp nitho hp cho cy di dng ion nitrat (NO3-) v ion amoni (NH4

+).

B. Amophot l hn hp cc mui (NH4)2HPO4 v KNO3.

C. Phn hn hp cha nit, photpho, kali c gi chung l phn NPK.

D. Phn ur c cng thc l (NH4)2CO3.

Cu 42. Trong cc cng thc sau, cng thc no c th l este: C2H4O2 (1); C2H6O2 (2);

C3H4O2 (3); C3H8O2 (3)?

A. (1); (2) B. (2); (3) C. (2); (4) D. (1); (3)

Cu 43.iu no l sai trong cc iu sau?

A. Anehit ha tan Cu(OH)2 to thnh kt ta gch.

B. Ru a chc (c nhm -OH cnh nhau) ha tan Cu(OH)2 to thnh dung dch mu xanhlam .

C. CH3COOH ha tan Cu(OH)2 to thnh dung dch mu xanh nht.

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D. Phenol ha tan Cu(OH)2 to thnh dung dch mu xanh nht.

Cu 44. Khi un hn hp axit oxalic vi 2 ru l metanol v etanol (c H2SO4c) th seste ti a thu c l:

A. 2. B. 3. C. 4. D. 5.

Cu 45. Dy gm cc dung dch u tham gia phn ng trng bc l:

A. Glucoz, mantoz, axit fomic, anehit axetic.

B. Fructoz, mantoz, glixerol, anehit axetic.C. Glucoz, glixerol, mantoz, axit fomic.

D. Glucoz, fructoz, mantoz, saccaroz.

Cu 46. Ba cht sau c cng khi lng phn t: C2H5OH, HCOOH, CH3OCH3.Nhit si ca chng tng dn theo th t:

A. HCOOH, CH3OCH3, C2H5OH. B. CH3OCH3, C2H5OH, HCOOH.

C. CH3OCH3, HCOOH, C2H5OH. D. C2H5OH, HCOOH, CH3OCH3.

Cu 47.un hai ru n chc vi H2SO4c, 140oC c hn hp 3 ete. Ly 0,72 gam

mt trong ba ete em t chy hon ton thu c 1,76 gam CO2 v 0,72 gam H2O. Hairu l:

A. CH3OH v C2H5OH. B. C2H5OH v C3H7OH.

C. C2H5OH v C4H9OH. D. CH3OH v C3H5OH.

Cu 48. Oxi ha hon ton 2,24 lt (ktc) hn hp X gm hi 2 ru no, n chc, ngng k tip c hn hp Y gm 2 anehit. Cho Y tc dng vi Ag2O d trong NH3c

34,56 gam Ag. S mol mi ru trong X l:

A. 0,06 v 0,04. B. 0,05 v 0,05. C. 0,03 v 0,07. D. 0,02 v 0,08.

Cu 49. A l axit c khi lng phn t b hn 130 vC. Trung ha 26 gam A cn dungdch cha 0,25 mol Ba(OH)2. Cho A l:

A. CH3COOH. B. CH2(COOH)2. C. HOOC COOH. D. C2H5COOH.

Cu 50. Thy phn hon ton 10 gam mt loi cht bo cn 1,2 gam NaOH. T 1 tn chtbo trn em nu vi NaOH th lng x phng nguyn cht thu c l:

A. 1028 kg. B. 1038 kg. C. 1048 kg. D. 1058 kg.

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