1000 bai hoa hoc cuc hay

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P h n m t : H o h c l p 1 0

Chng 1Nguyn t

Cu 1. Nh bc hc u tin a ra khi nim nguyn t l :

A.Men--l-p.B.La-voa-di-.C.-m-crit.D.R-d-pho.

Cu 2. Electron c tm ra nm 1897 do cng lao ch yu ca :

A.R-d-pho.B.Tm-xn.C.Chat-wich.D.Cu-lng.

Cu 3. Th nghim pht hin ra electron l :

A.Bn ph nguyn t nit bng chm ht .B.Phng in gia hai in cc c hiu in th 15 kV t trong chn khng (p sut

khong 0,001mmHg).

C.Cho cc ht bn ph l vng mng v dng mn hunh quang theo di ng i caht .

D.Dng ht bn ph ht nhn nguyn t beri.Cu 4. c tnh ca tia m cc l :

A.Trn ng i ca n, nu ta t mt chong chng nh th chong chng b quay.B.Di tc dng ca in trng v t trng th tia m cc truyn thng.C.Khi tia m cc i vo gia hai bn in cc mang in tch tri du th tia m cc b

lch v pha cc m.

D.C A, B v C u ng.Cu 5. Trn ng i ca tia m cc, nu t mt chong chng nh th chong chng b quay.

iu cho thy tia m cc l :

A.Chm ht vt cht c khi lng.B.Chm ht chuyn ng vi vn tc ln.C.Chm ht mang in tch m.D.Chm ht c khi lng v chuyn ng rt nhanh.

Cu 6. Khi cho tia m cc i vo gia hai bn in cc mang in tch tri du,

tia m cc b lch v pha cc dng. iu chng t tia m cc l chm ht


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A.c khi lng.B.c in tch m.C.c vn tc ln.D.C A, B v C.

Cu 7. Th nghim tm ra ht nhn nguyn t l :

A.S phng in cao th (15 kV) trong chn khng.B.Dng chm ht bn ph mt l vng mng v dng mn hunh quang theo di

ng i ca ht .

C.Bn ph ht nhn nguyn t nit bng ht .D.Dng ht bn ph ht nhn nguyn t beri.

Cu 8. T kt qu no ca th nghim tm ra ht nhn nguyn t, rt ra

kt lun: Nguyn t phi cha phn mang in tch dng c

khi lng ln ?

A.Hu ht cc ht u xuyn thng.B.C mt s t ht i lch hng ban u.C.Mt s rt t ht b bt li pha sau.D.C B v C.

Cu 9. Th nghim tm ra proton l :

A.S phng in cao th trong chn khng.B.Cho cc ht bn ph l vng mng.C.Bn ph ht nhn nguyn t nit bng ht .D.Dng ht bn ph ht nhn nguyn t beri.

Cu 10. Cho s phn ng ht nhn sau :

42 H +14

7N 17

8O + X

X l :

A.Electron.B.Proton.C.Ntron.D.teri.

Cu 11. Th nghim tm ra ntron l :

A.S phng in cao th trong chn khng.B.Dng ht bn ph ht nhn nguyn t beri.C.Bn ph ht nhn nguyn t nit bng ht .D.Cho cc ht bn ph l vng mng.

Cu 12. Trong mi nguyn t, u c :

A.s proton bng s ntron.B.s proton bng s electron.C.s electron bng s ntron.


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D.tng s proton v ntron bng tng s electron.Cu 13. Trong mi nguyn t u c :

A.proton v electron.B.proton v ntron.C.ntron v electron.D.proton, ntron v electron.Cu 14. Nguyn t ca cc nguyn t khc nhau, c th ging nhau v :A.s proton.B.s ntron.C.s electron.D.s hiu nguyn t.

Cu 15. Mi nguyn t u trung ho v in do :

A.trong nguyn t c s proton bng s electron.B.ht ntron khng mang in.C.trong nguyn t c s proton bng s ntron.D.C A v B.

Cu 16. Trong mi ht nhn ca nguyn t cc nguyn t u c

A. proton. B. electron.

C. ntron. D. proton v ntron.

Cu 17. Cc nguyn t ca cng mt nguyn t c th khc nhau v

A. s proton. B. s ntron.

C. s electron. D. s hiu nguyn t.

Cu 18. Nhng nguyn t c cng s proton nhng khc nhau v s ntron,

gi l

A. ng lng. B. ng v.

C. ng phn. D. ng ng.

Cu 19. Khi phng chm tia qua mt l vng mng ngi ta thy c 108 ht th c mt ht b

bt ngc tr li. Mt cch gn ng, c th xc nh ng knh ca nguyn t ln

hn ng knh ca ht nhn khong :

A. 1016 ln. B. 108 ln.

C. 104 ln. D. 102 ln.

Cu 20. Mt u (n v khi lng nguyn t) c khi lng tnh ra kilogam gn bng :

A. 1,66.1027 B. 1,99.1027

C. 16,61.1027 D. 1,69.1027

Cu 21. ng v no ca cacbon c s dng trong vic quy c n v khi lng nguyn t :

A. 116C B.126C

C. 136C D.146C


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Cu 22. S khi l :

A.Khi lng ca ht nhn nguyn t.B.Khi lng ca nguyn t.C.Tng khi lng cc proton v cc ntron trong ht nhn nguyn t.D.Tng s ht proton v s ht ntron ca ht nhn nguyn t.

Cu 23. i lng c trng cho mt nguyn t ho hc l :

A.S electron.B.S proton.C.S ntron.D.S khi.

Cu 24. Cho s khi A ca mt nguyn t th cha xc nh c :

A.s proton.B.s ntron.C.s electron.D.C A, B v C.

Cu 25. Cho cc nguyn t :

14

6C ,

15

7N ,

17

8N ,

17

9F ,

18

10Ne . C bao nhiu nguyn t c cng sntron ?

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

Cu 26. i lng khng c trng cho mt nguyn t ho hc l :

A.S ntron.B.S proton.C.in tch ht nhn.D.S hiu nguyn t.

Cu 27. Ch ra ni dung ng:

A.Ch c nguyn t oxi mi c 8 proton.B.Ch c nguyn t oxi mi c 8 ntron.C.Ch c nguyn t oxi mi c 8 electron v electron.D.C A, B, C.

Cu 28. C bao nhiu loi phn t nc, bit rng oxi v hiro c cc ng v sau :

11H ,21H ,

31H ,

168O ,

178O ,

188O .

A. 9 B. 15 C. 18 D. 21

Cu 29. Nguyn t hiro trong t nhin c bao nhiu ng v ?

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

Cu 30. Nguyn t ho hc no c mt ng v m ht nhn c s ntron bng 2 ln s proton?

A.Hiro.B.Cacbon.C.Oxi.


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D.Brom.Cu 31. Nguyn t ho hc duy nht c 3 k hiu ho hc l :

A.Hiro.B.Oxi.C.Cacbon.D.

St.

Cu 32. Cc ng v c s khi khc nhau l do khc nhau v :

A. s proton.

B. s ntron.

C. s electron.

D. s hiu nguyn t.

Cu 33. Nguyn t khi c n v l :

A.g.B.kg.C.u.D.g/mol.

Cu 34. teri l :

A.11HB.21HC.31HD.41H

Cu 35. ng trong t nhin c 2 ng v 63Cu v 65Cu, c khi lng nguyn t trung bnh l

63,54.

Vy hm lng phn trm 63Cu trong ng t nhin l :

A.50%B.10%C.70%D.73%

Cu 36. Nguyn t khi trung bnh ca brom l 79,91. Brom c hai

ng v, bit 7935Br chim 54,5%. Vy s khi ca ng v th hai l :

A.80B.81C.82D.81,5

Cu 37. Nguyn t khi v khi lng mol nguyn t c cng

A.tr s.B.gi tr.


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C.n v.D.c A, B, C.

Cu 38. S chuyn ng ca electron trong nguyn t c tnh cht

A.theo nhng qu o trn.B.theo nhng qu o hnh bu dc.C.khng theo qu o xc nh.D.theo nhng qu o xc nh nhng qu o c hnh dng bt k.

Cu 39. Trong nguyn t, mi electron c khu vc tn ti u tin ca mnh, do mi electron c

mt

A.v tr ring.B.qu o ring.C.nng lng ring.D.m my ring.

Cu 40. Phn lp d cha ti a

A.2 electron.B.6 electron.C.10 electron.D.14 electron.

Cu 41. Lp electron M bo ho khi lp cha

A.8 electron.B.18 electron.C.32 electron.D.36 electron.

Cu 42. Cc electron lp no lin kt vi ht nhn cht ch nht ?

A.Lp N.B.Lp M.C.Lp L.D.Lp K.

Cu 43. St 26 Fe l nguyn t

A.s.B.p.C.d.D.f.

Cu 44. Cu hnh electron ca nguyn t Fe (Z = 26) l :

A. 1s2 2s2 2p6 3s2 3p6 3d6 4s2.

B. 1s2 2s2 2p6 3s2 3p6 3d8.

C. 1s2 2s2 2p6 3s2 3p6 4s2.

D. 1s2 2s2 2p6 3s2 3p6 3d7 4s2.


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Cu 45. Cu hnh electron ca ion Fe3+ (Z = 26) l :

A.1s2 2s2 2p6 3s2 3p6 4s2 3d3.B.1s2 2s2 2p6 3s2 3p6 3d3 4s2.C.1s2 2s2 2p6 3s2 3p6 3d9 4s2.D.1s2 2s2 2p6 3s2 3p6 3d5.

Cu 46. Ion A3+

c phn lp electron ngoi cng l 3d2

. Cu hnh electron ca A l :A.[Ar]3d5.B.[Ar]4s2 3d3.C.[Ar]3d3 4s2.D.Tt c u sai.

Cu 47. Cu hnh electron trng thi kch thch ca nguyn t cacbon (Z = 6) l :

A.

B.

C.D.

Cu 48. Cc nguyn t kh him (tr He) c s electron lp ngoi cng l :

A.1, 2, 3B.4C.5, 6, 7D.8

Cu 49. Trong nguyn t26Fe, cc electron ho tr l cc electron :

A.Phn lp 4s v 4p.B.Phn lp 3d v 4s.C.Phn lp 3d.D.Phn lp 4s.

Cu 50. Nguyn t c Z = 17, l nguyn t ca nguyn t :

A.kim loi.B.phi kim.C. kim.D.kh him.Cu 51. Cho cc ht vi m c thnh phn nhsau : 6p, 6n, 6e ; 8p, 8n, 10e ; 9p, 10n, 10e ; 10p,

10n, 10e ; 11p, 12n, 10e ; 13p, 14n, 13e ; 13p, 13n, 13e ; 13p, 14n, 10e. C bao nhiu

ht trung ho v in ?

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


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Chng 2Bng tun hon v nh lut tun hon ccnguyn t ho hc

Cu 52 : Trong bng tun hon, cc nguyn t ho hc c sp xp di nh sng caA.thuyt cu to nguyn t.B.thuyt cu to phn t.C.Thuyt cu to ho hc.D.nh lut tun hon cc nguyn t ha hc.

Cu 53 : Cc nguyn t ho hc trong bng tun hon c sp xp theo nguyn tc :

A.Cc nguyn t c cng s lp electron trong nguyn t c xp cng mt hng.B.Cc nguyn t c cng s electron ho tr trong nguyn t c xp thnh mt ct.C.Cc nguyn t c sp theo theo chiu tng dn ca in tch ht nhn nguyn t.D.C A, B v C.

Cu 54 : Cc nguyn t ho hc trong bng tun hon c sp xp theo chiu tng dn ca

A.s ntron trong ht nhn.B.s proton trong ht nhn.C.s electron lp ngoi cng.D.c B v C.

Cu 55 : Trong bng tun hon cc nguyn t ho hc c bao nhiu chu k nh ?

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

Cu 56 : Nguyn t canxi thuc chu k

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

Cu 57 : Hai nguyn t A v B cng mt nhm, thuc hai chu k nh lin tip nhau (Z A < ZB).

Vy ZB ZAbng :A.1B.6C.8D.18

Cu 58 : Ch ra ni dung saikhi ni v cc nguyn t trong cng mt nhm :

A.C tnh cht ho hc gn ging nhau.B.Nguyn t ca chng c cu hnh electron tng t nhau.


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C.Nguyn t ca chng c s electron ho tr bng nhau.D.c sp xp thnh mt hng.

Cu 59 : Khi cc nguyn t p gm cc nguyn t :

A.nhm IA v IIA.B.nhm IIIA n nhm VIIIA (tr He).C.nhm IB n nhm VIIIB.D.xp hai hng cui bng.

Cu 60 : Nguyn nhn ca s bin i tun hon tnh cht ca cc nguyn t l s bin i tunhon

A.ca in tch ht nhn.B.ca s hiu nguyn t.C.cu hnh electron lp ngoi cng ca nguyn t.D.cu trc lp v electron ca nguyn t.

Cu 61 : S th t ca nhm A cho bit :

A.s hiu nguyn t.B.s electron ho tr ca nguyn t.C.s lp electron ca nguyn t.D.s electron trong nguyn t.

Cu 62 : Nguyn nhn ca s ging nhau v tnh cht ho hc ca cc nguyn t trong cng mtnhm A l s ging nhau v

A.s lp electron trong nguyn t.B.s electron lp ngoi cng ca nguyn t.C.s electron trong nguyn t.D.C A, B, C.

Cu 63 : Electron ho tr ca cc nguyn t nhm IA, IIA l cc electronA.sB.pC.dD.f

Cu 64 :Trong mt chu k, theo chiu tng dn ca in tch ht nhn th :

A.tnh kim loi gim dn, tnh phi kim tng dn.B.tnh kim loi tng dn, tnh phi kim gim dn.C.

tnh kim loi v tnh phi kim u gim dn.

D.tnh kim loi v tnh phi kim u tng dn.Cu 65 : Ch ra ni dung ng, khi ni v s bin thin tnh cht ca cc nguyn t trong cng

chu k theo chiu tng dn ca in tch ht nhn :

A.Tnh kim loi tng dn.B.Tnh phi kim tng dn.C.Bn knh nguyn t tng dn.D.S lp electron trong nguyn t tng dn.


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Cu 66 : Cc nguyn t trong cng mt nhm A, theo chiu tng ca in tch ht nhn th :

A.tnh kim loi tng dn, ng thi tnh phi kim gim dn.B.tnh kim loi gim dn, ng thi tnh phi kim tng dn.C.tnh kim loi v tnh phi kim ng thi tng dn.D.tnh kim loi v tnh phi kim ng thi gim dn.

Cu 67 : Dy no khng

c xp theo quy lut tnh kim loi tng dn ?A.Li, Na, K, Rb.B.F, Cl, Br, I.C.Al, Mg, Na, K.D.B, C, N, O.

Cu 68 : Sp xp cc kim loi Na, Mg, Al, K theo quy lut tnh kim loi gim dn :

A.Na, Mg, Al, K.B.K, Na, Mg, Al.C.Al, Mg, Na, K.D.Na, K, Mg, Al.

Cu 69 : Nguyn t phi kim mnh nht l :

A.Oxi.B.Flo.C.Clo.D.Nit

Cu 70 : Pau-linh quy c ly m in ca nguyn t no xc nh m in tng i

cho cc nguyn t khc ?

A.Hiro.B.Cacbon.C.Flo.D.Clo.

Cu 71 : Dy nguyn t c xp theo chiu bn knh nguyn t gim dn l :

A.C, N, O, F.B.F, Cl, Br, I.C.Li, Na, K, Rb.D.Cl, S, P, Si.

Cu 72 : Trong mt chu k, khi i t tri sang phi, bn knh nguyn t gim dn do :

A.in tch ht nhn v s lp electron tng dn.B.in tch ht nhn tng dn v s lp electron gim dn.C.in tch ht nhn tng dn v s lp electron khng i.D.in tch ht nhn v s lp electron khng i.


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Cu 73 : i lng c trng cho kh nng ht electron ca nguyn t cc nguyn t khi hnh

thnh lin kt ho hc l :

A.Tnh kim loi.B.Tnh phi kim.C.in tch ht nhn.D. m in.

Cu 74 : Ch ra ni dung sai:

Tnh phi kim ca nguyn t cng mnh th

A.kh nng thu electron cng mnh.B. m in cng ln.C.bn knh nguyn t cng ln.D.tnh kim loi cng yu.

Cu 75 : Trong mt chu k nh, i t tri sang phi th ho tr cao nht ca cc nguyn t trong

hp cht vi oxi

A.tng ln lt t 1 n 4.B.gim ln lt t 4 xung 1.C.tng ln lt t 1 n 7.D.tng ln lt t 1 n 8.

Cu 76 : Trong mt chu k, t tri sang phi theo chiu tng ca in tch ht nhn

A.tnh baz v tnh axit ca cc hiroxit tng ng yu dn.B.tnh baz v tnh axit ca cc hiroxit tng ng mnh dn.C.cc hiroxit c tnh baz yu dn v tnh axit mnh dn.D.cc hiroxit c tnh baz mnh dn, tnh axit yu dn.

Cu 77 : Tnh cht ca cc nguyn t v n cht, cng nhthnh phn v tnh cht to nn tcc nguyn t :

A.bin i lin tc theo chiu tng ca khi lng nguyn t.B.bin i tun hon theo chiu tng ca khi lng nguyn t.C.bin i lin tc theo chiu tng ca in tch ht nhn.D.bin i tun hon theo chiu tng ca in tch ht nhn.

Cu 78 : Tnh cht khng bin i tun hon ca cc nguyn t trong bng tun hon l :

A.Bn knh nguyn t, m in.B.S electron trong nguyn t, s lp electron.C.Tnh kim loi, tnh phi kim ca cc nguyn t.D.Thnh phn v tnh cht ca cc hp cht to nn t cc nguyn t.

Cu 79 : Bit v tr ca mt nguyn t trong bng tun hon, khng suy ra c :

A.tnh kim loi, tnh phi kim.B.cng thc oxit cao nht, hp cht vi hiro.C.bn knh nguyn t, m in.D.tnh axit, baz ca cc hiroxit tng ng ca chng.


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Cu 80 : Cho nguyn t c Z = 17, n c ho tr cao nht vi oxi l :

A.3B.5C.7D.8

Cu 81 : Nguyn t X c Z = 15, hp cht ca n vi hiro c cng thc ho hc dng :

A.HXB.H2XC.H3XD.H4X

Cu 82 : Nguyn t c tnh cht ho hc tng t canxi :

A.NaB.KC.BaD.AlCu 83 : Cp nguyn t ho hc no sau y c tnh cht ho hc ging

nhau nht ?

A.Na, MgB.Na, KC.K, AgD.Mg, Al

Cu 84 : S hiu nguyn t ca cc nguyn t trong bng tun hon khng

cho bit

A.s proton trong ht nhn.B.s electron trong nguyn t.C.s ntron.D.s th t ca chu k, nhm.

Cu 85 : Dy sp xp cc cht theo chiu tnh baz tng dn :

A.NaOH, Mg(OH)2, Al(OH)3, Si(OH)4.B.Si(OH)4, Al(OH)3, NaOH, Mg(OH)2.C.Mg(OH)2, NaOH, Si(OH)4,Al(OH)3.D.Si(OH)4, Al(OH)3, Mg(OH)2, NaOH.

Cu 86 : Dy sp xp cc cht theo chiu tnh axit tng dn :

A.H4SiO4, H3PO4, H2SO4, HClO4.B.H2SO4, H3PO4, HClO4, H4SiO4.C.HClO4, H2SO4, H3PO4, H4SiO4.D.H3PO4, HClO4, H4SiO4, H2SO4.


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Cu 87 : n cht ca cc nguyn t no sau y c tnh cht ho hc

tng t nhau ?

A.As, Se, Cl, I.B.F, Cl, Br, I.C.Br, I, H, O.D.O, Se, Br, Cl.

Cu 88 : Nguyn t nguyn t no trong nhm VIIA c bn knh nguyn t

ln nht ?

A.Flo.B.Atatin.C.Iot.D.Clo.

Cu 89 : Trong 20 nguyn t u tin ca bng tun hon, c bao nhiu nguyn t kh him ?

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

Cu 90 : Dy nguyn t no sau y sp xp theo chiu bn knh nguyn t tng dn ?

A.I, Br, Cl, F.B.C, Si, P, N.C.C, N, O, F.D.Mg, Ca, Sr, Ba.


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Chng 3Lin kt ho hc

Cu 91 : Ch ra ni dung saikhi ni v ion :

A.Ion l phn t mang in.B.Ion m gi l cation, ion dng gi l anion.C.Ion c th chia thnh ion n nguyn t v ion a nguyn t.D.Ion c hnh thnh khi nguyn t nhng hay nhn electron.

Cu 92 : Cho cc ion : Na+, Al3+, 24SO , 3NO

, Ca2+, 4NH+ , Cl. Hi c bao nhiu cation ?

A.2B.3C.4D.5Cu 93 : Trong cc phn ng ho hc, nguyn t kim loi c khuynh hngA.nhn thm electron.B.nhng bt electron.C.nhn hay nhng electron ph thuc vo tng phn ng c th.D.nhn hay nhng electron ph thuc vo tng kim loi c th.

Cu 94 : Trong phn ng ho hc, nguyn t natri khng hnh thnh c

A.ion natri.B.cation natri.C.anion natri.D.ion n nguyn t natri.

Cu 95 : Trong phn ng : 2Na + Cl2 2NaCl, c s hnh thnh

A.cation natri v clorua.B.anion natri v clorua.C.anion natri v cation clorua.D.anion clorua v cation natri.

Cu 96 : Hon thnh ni dung sau : Bn knh nguyn t...(1) bn knh cation tng ng v ...

(2) bn knh anion tng ng.

A.(1) : nh hn, (2) : ln hn.B.(1) : ln hn, (2) : nh hn.C.(1) : ln hn, (2) : bng.D.(1) : nh hn, (2) : bng.

Cu 97 : Trong tinh th NaCl, xung quanh mi ion c bao nhiu ion ngc du gn nht ?

A.1B.4


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C.6D.8

Cu 98 : Lin kt ion l lin kt c hnh thnh bi

A.s gp chung cc electron c thn.B.s cho nhn cp electron ho tr.C.lc ht tnh in gia cc ion mang in tri du.D.lc ht tnh in gia cc ion dng v electron t do.

Cu 99 : Ch ra ni dung saikhi ni v tnh cht chung ca hp cht ion :

A.Kh nng chy, kh bay hi.B.Tn ti dng tinh th, tan nhiu trong nc.C.Trong tinh th cha cc ion nn dn c in.D.Cc hp cht ion u kh rn.

Cu 100 : Hon thnh ni dung sau : Cc .... thng tan nhiu trong nc. Khi nng

chy v khi ho tan trong nc, chng dn in, cn trng thi rn th khng dn

in.A.hp cht v cB.hp cht hu cC.hp cht ionD.hp cht cng ho tr

Cu 101 : Trong phn t no sau y ch tn ti lin kt n : N2, O2, F2, CO2?

A.N2B.O2C.F2D.CO2

Cu 102 : Cho cc phn t : H2, CO2, Cl2, N2, I2, C2H4, C2H2. Bao nhiu phn t c lin kt ba

trong phn t ?

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

Cu 103 : Lin kt c to nn gia hai nguyn t bng mt hay nhiu cp electron chung, gil

A.lin kt ion.B.lin kt cng ho tr.C.lin kt kim loi.D.lin kt hiro.

Cu 104 : Trong phn t amoni clorua c bao nhiu lin kt cng ho tr ?

A.1B.2C.4


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D.5Cu 105 : Trong mng tinh th NaCl, cc ion Na+ v Clc phn b lun phin u n trn

cc nh ca cc

A.hnh lp phng.B.hnh t din u.C.hnh chp tam gic.D.hnh lng tr lc gic u.

Cu 106 : Ch ra ni dung saikhi xt phn t CO2 :

A.Phn t c cu to gc.B.Lin kt gia nguyn t oxi v cacbon l phn cc.C.Phn t CO2 khng phn cc.D.Trong phn t c hai lin kt i.

Cu 107 : Cho cc phn t : H2, CO2, HCl, Cl2, CH4. C bao nhiu phn t c cc ?

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

Cu 108 : Lin kt no c th c coi l trng hp ring ca lin kt cng

ho tr ?

A.Lin kt cng ho tr c cc.B.Lin kt cng ho tr khng c cc.C.Lin kt ion.D.Lin kt kim loi.

Cu 109 : Trong phn t s c lin kt cng ho tr phn cc nu cp electron chung

A. gia hai nguyn t.B.lch v mt pha ca mt nguyn t.C.chuyn hn v mt nguyn t.D.nhng hn v mt nguyn t.

Cu 110 : Hon thnh ni dung sau : Ni chung, cc cht ch c .. khng dn in

mi trng thi.

A.lin kt cng ho trB.lin kt cng ho tr c ccC.lin kt cng ho tr khng c ccD.lin kt ion

Cu 111 : Trong lin kt gia hai nguyn t, nu cp electron chung chuyn hn v mt nguyn

t, ta s c lin kt

A.cng ho tr c cc.B.cng ho tr khng c cc.


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C.ion.D.cho nhn.

Cu 112 : nh gi loi lin kt trong phn t hp cht, ngi ta c th da vo hiu m

in. Khi hiu m in ca hai nguyn t tham gia lin kt 1,7 th l lin kt

A.ion.B.cng ho tr khng cc.C.cng ho tr c cc.D.kim loi.

Cu 113 : cc nt mng ca tinh th natri clorua l

A.phn t NaCl.B.cc ion Na+, Cl.C.cc nguyn t Na, Cl.D.cc nguyn t v phn t Na, Cl2.

Cu 114 : Trong tinh th nguyn t, cc nguyn t lin kt vi nhau bng

A.lin kt cng ho tr.B.lin kt ion.C.lin kt kim loi.D.lc ht tnh in.

Cu 115 : Trong tinh th kim cng, cc nt mng tinh th l :

A.nguyn t cacbon.B.phn t cacbon.C.cation cacbon.D.anion cacbon.

Cu 116 : Trong tinh th iot, cc im nt ca mng tinh th l :A.nguyn t iot.B.phn t iot.C.anion iotua.D.cation iot.

Cu 117 : Trong tinh th nc , cc nt ca mng tinh th l :

A.Nguyn t hiro v oxi.B.Phn t nc.C.

Cc ion H+ v O2.

D.Cc ion H+ v OH.Cu 118 : Ch ra ni dung sai: Trong tinh th phn t, cc phn t ... .

A.tn ti nhnhng n v c lp.B.c sp xp mt cch u n trong khng gian.C.nm cc nt mng ca tinh th.D.lin kt vi nhau bng lc tng tc mnh.

Cu 119 : Ch ra u l tinh th nguyn t trong cc tinh th sau :


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A.Tinh th iot.B.Tinh th kim cng.C.Tinh th nc .D.Tinh th photpho trng.

Cu 120 : lm n v so snh cng ca cc cht, ngi ta quy c ly cng ca kim

cng l

A.1 n v.B.10 n v.C.100 n v.D.1000 n v.

Cu 121 : Ch ra ni dung ng khi ni v c trng ca tinh th nguyn t :

A.Km bn vng.B.Rt cng.C.Nhit nng chy kh thp.D.C nhit si thp hn nhit si ca nhng cht c mng tinh th phn t.

Cu 122 : Ho tr trong hp cht ion c gi l

A.in ho tr.B.cng ho tr.C.s oxi ho.D.in tch ion.

Cu 123 : Hon thnh ni dung sau : Trong hp cht cng ho tr, ho tr ca mt nguyn t

c xc nh bng ............ ca nguyn t nguyn t trong phn t.

A.s electron ho tr.B.s electron c thn.C.s electron tham gia lin kt.D.s obitan ho tr.

Cu 124 : Hon thnh ni dung sau : S oxi ho ca mt nguyn t trong phn t l ...(1) ca

nguyn t nguyn t trong phn t, nu gi nh rng lin kt gia cc nguyn t

trong phn t l ...(2)..

A.(1) : in ho tr ; (2) : lin kt ion.B.(1) : in tch ; (2) : lin kt ion.C.(1) : cng ho tr ; (2) : lin kt cng ho tr.D.(1) : in ho tr ; (2) : lin kt cng ho tr.

Cu 125 : S oxi ho ca nguyn t lu hunh trong cc cht : S, H2S, H2SO4, SO2 ln lt l :

A.0, +2, +6, +4.B.0, 2, +4, 4.C.0, 2, 6, +4.D.0, 2, +6, +4.

Cu 126 : Hp cht m nguyn t clo c s oxi ho +3 l :


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A.NaClOB.NaClO2C.NaClO3D.NaClO4

Cu 127 : S oxi ho ca nguyn t nit trong cc hp cht : NH4Cl, HNO3, NO, NO2, N2, N2O

ln lt l :A.4, +6, +2, +4, 0, +1.B.4, +5, 2, 0, +3, 1.C.3, +5, +2, +4, 0, +1.D.+3, 5, +2, 4, 3, 1.


A.S oxi ho ca nguyn t trong cc hp cht bng ho tr ca nguyn t .B.Trong mt phn t, tng s oxi ho ca cc nguyn t bng khng.C.S oxi ho ca ion n nguyn t bng in tch ca ion .D.Tng s oxi ho ca cc nguyn t trong ion a nguyn t bng in tch ca ion .

Cu 129 : Chn ni dung ng hon thnh cu sau : Trong tt c cc hp cht,...

A.s oxi ho ca hiro lun bng +1.B.s oxi ho ca natri lun bng +1.C.s oxi ho ca oxi lun bng 2.D.C A, B, C.

Cu 130 : Ch ra ni dung saikhi hon thnh cu sau : Trong tt c cc hp cht,...

A.kim loi kim lun c s oxi ho +1.B.halogen lun c s oxi ho 1.C.hiro lun c s oxi ho +1, tr mt s trng hp nhhirua kim loi (NaH, CaH2

....).

D.kim loi kim th lun c s oxi ho +2.


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Chng 4Phn ng ho hc

Cu 131 : Trong ho hc v c, phn ng ho hc no c s oxi ho ca cc nguyn t lun

khng i ?

A.Phn ng ho hp.B.Phn ng trao i.C.Phn ng phn hy.D.Phn ng th.

Cu 132 : Trong ho hc v c, phn ng ho hc no lun l phn ng

oxi ho kh ?

A.Phn ng ho hp.B.Phn ng trao i.C.Phn ng phn hy.D.Phn ng th.

Cu 133 : Phng php thng bng electron da trn nguyn tc :

A.Tng s electron do cht oxi ho cho bng tng s electron m cht kh nhn.B.Tng s electron do cht oxi ho cho bng tng s electron cht b kh nhn.C.Tng s electron do cht kh cho bng tng s electron m cht oxi ho nhn.D.Tng s electron do cht kh cho bng tng s electron m cht b oxi ho nhn.

Cu 134 : Trong ho hc v c, loi phn ng ho hc no c th l phn ng oxi ho kh hoc

khng phi phn ng oxi ho kh ?

A.Phn ng ho hp v phn ng trao i.B.Phn ng trao i v phn ng th.C.Phn ng th v phn ng phn hu.D.Phn ng phn hu v phn ng ho hp.

Cu 135 : Cho cu sau : Phn ng ho hc c s thay i s oxi ho l phn ng oxi ho kh

( 1). Phn ng ho hc khng c s thay i s oxi ho khng phi l phn ng oxi

ho kh ( 2).

A. 1 ng, 2 sai.B. 1 sai, 2 ng.C.C hai u ng.D.C hai u sai.

Cu 136 : Trong cc phn ng ho hc sau, phn ng khng phi phn ng

oxi ho kh l

A.Fe + 2HCl FeCl2 + H2B.AgNO3 + HCl AgCl + HNO3


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C.MnO2 + 4HCl MnCl2 + Cl2+ 2H2OD.6FeCl2 + KClO3 + 6HCl 6FeCl3 + KCl + 3H2O

Cu 137 : Trong phn ng

10FeSO4 + KMnO4 + 8H2SO4 5Fe2(SO4)3 + K2SO4 + 2MnSO4 + 8H2O

A.FeSO4 l cht oxi ho, KMnO4 l cht kh.B.FeSO4 l cht oxi ho, H2SO4 l cht kh.C.FeSO4 l cht kh, KMnO4 l cht oxi ho.D.FeSO4 l cht kh, H2SO4 l cht oxi ho.

Cu 138 : Trong phn ng

2NO2 + 2NaOH NaNO3 + NaNO2 + H2O

NO2 ng vai tr l :

A.cht oxi ho.B.cht kh.C.va l cht oxi ho va l cht kh.D.khng phi cht oxi ho, khng phi cht kh.

Cu 139 : Trong phn ng KClO3 o

2

t

M nO KCl +

2

3O2

KClO3l

A.cht oxi ho.B.cht kh.C.va l cht oxi ho, va l cht kh.D.khng phi cht oxi ho, cng khng phi cht kh.

Cu 140 : Phn ng ho hc m NO2 ch ng vai tr l cht oxi ho l phn ng no sau y ?

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

B. NO2 + SO2 NO + SO3

C. 2NO2 N2O4

D. 4NO2 + O2 + 2H2O 4HNO3

Cu 141 : Phn ng ho hc m SO2khng ng vai tr cht oxi ho, khng ng vai tr cht

kh l phn ng no sau y ?

A.SO2 + 2H2S 3S + 2H2OB.SO2 + 2NaOH Na2SO3 + H2OC.SO2 + Br2 + 2H2O H2SO4 + 2HBrD.Khng c phn ng no.

Cu 142 : Phn ng FexOy + HNO3 Fe(NO3)3 + ... khng phi l phn ng oxi ho khkhi:


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A.x = 1 ; y = 1.B.x = 2 ; y = 3.C.x = 3 ; y = 4.D.x = 1 ; y = 0.

Cu 143 : Trong cc phn ng ho hc, cc nguyn t kim loi

A.ch th hin tnh kh.B.ch th hin tnh oxi ho.C.th hin tnh oxi ho hay tnh kh ty kim loi c th.D.th hin tnh oxi ho hay tnh kh ty vo phn ng c th.

Cu 144 : Phn ng HCl + MnO20t

MnCl2 + Cl2 + H2O c h s cn bng ca cc cht

ln lt l :

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

Cu 145 : Phn ng Cu + H2SO4 + NaNO3 CuSO4 + Na2SO4 + NO2 + H2O c h s cn bng

ca cc cht ln lt l :

A.1, 1, 2, 1, 1, 2, 1.B.2, 2, 1, 2, 1, 2, 2.C.1, 2, 2, 1, 1, 2, 2.D.1, 2, 2, 2, 2, 1, 1.

Cu 146 : H s cn bng ca cc cht trong phn ng

FeS + HNO3 Fe2(SO4)3 + Fe(NO3)3 + NO + H2O ln lt l :A.1, 3, 1, 0, 3, 3.B.2, 6, 1, 0, 6, 3.C.3, 9, 1, 1, 9, 4.D.3, 12, 1, 1, 9, 6.

Cu 147 : Cho 0,1 mol Zn v 0,2 mol Ag tc dng hon ton vi HNO3 to ra Zn(NO3)2, AgNO3,H2O v V lt kh NO2 ( ktc). Xc nh V.

A.V = 4,48 lt.B.V = 2,24 lt.C.V = 8,98 lt.D.V = 17,92 lt.

Cu 148 : Cho 0,1 mol Al phn ng hon ton vi HNO3 to ra Al(NO3)3, H2O v 2,24 lt mt

kh X duy nht ( ktc).

X l :

A.NO2B.NOC.N2O


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D.N2Cu 149 : Cho 0,1 mol Al v 0,15 mol Mg phn ng hon ton vi HNO3 to ra Al(NO3)3,

g(NO3)2, H2O v 13,44 lt mt kh X duy nht ( ktc).

X l :

A.N2OB.NOC.NO2D.N2

Cu 150 : Cho 0,4 mol Mg tc dng hon ton vi HNO3 to ra Mg(NO3)2, H2O v 0,1 mol mt

sn phm kh (duy nht) cha nit.

Sn phm kh l :

A.NOB.NO2C.NH4NO3D.N2


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Chng 5Nhm halogen

Cu 151 : Lin kt trong phn t halogen X2

A.bn.B.rt bn.C.khng bn lm.D.rt km bn.

Cu 152 : Kh nng hot ng ho hc ca cc n cht halogen l

A.mnh.B.trung bnh.C.km.D.rt km.

Cu 153 : Nguyn t no sau y trong tt c cc hp cht ch c s oxi ho 1 ?A.Clo.B.Flo.C.Brom.D.C A, B v C.


A.Trong hp cht, halogen lun c s oxi ho 1.B.Tnh cht ho hc c bn ca cc halogen l tnh oxi ho.C.Phn t halogen X2 d b tch thnh 2 nguyn t X.D.Cc nguyn t halogen c m in tng i ln.

Cu 155 : Ch ra ni dung sai: Trong nhm halogen, t flo n iot ta thy ....

A.trng thi tp hp : T th kh chuyn sang th lng v rn.B.mu sc : m dn.C.nhit nng chy v nhit si : gim dn.D. m in : gim dn.

Cu 156 : Nguyn t clo khng c kh nng th hin s oxi ho :

A.+3B.0C.+1D.+2

Cu 157 : Ch ra u khng phi l c im chung ca tt c cc halogen ?

A.Nguyn t halogen d thu thm 1 electron.B.Cc nguyn t halogen u c kh nng th hin cc s oxi ho 1, +1, +3, +5, +7.C.Halogen l nhng phi kim in hnh.


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D.Lin kt trong phn t halogen X2 khng bn lm, chng d b tch thnh 2 nguyn thalogen X.

Cu 158 : Kh clo nng hn khng kh

A.1,2 ln.B.2,1 ln.C.2,5 ln.D.3,1 ln.

Cu 159 : 200C v 1atm, mt th tch nc ho tan c bao nhiu th tchkh clo ?

A.0,25.B.2,5.C.25.D.250.

Cu 160 : Nc clo c mu :

A.vng rm.B.vng nht.C.vng lc.D.vng da cam.

Cu 161. C cc dung mi : nc, benzen, etanol, cacbon tetraclorua. Kh clo tan t nht trongdung mi no ?

A.Nc.B.Benzen.C.Etanol.D.Cacbon tetraclorua.

Cu 162. Trong hp cht vi nguyn t no, clo c s oxi ho dng ?

A.Flo, oxi.B.Oxi, nit.C.Flo, nit.D.Flo, oxi, nit.

Cu 163. Ch ra ni dung sai:

A.n cht clo l cht kh, mu vng lc.B.Tnh cht ho hc c bn ca clo l tnh kh mnh.C.Kh clo tan t trong nc, tan tt trong dung mi hu c.D.Trong cc hp cht vi oxi, clo u c s oxi ho dng.

Cu 164. Trong nc clo c bao nhiu cht (phn t, ion) ?A.2B.3C.5D.6

Cu 165. u khng phi l c im ca phn ng gia kh clo vi kim loi ?

A.Tc phn ng nhanh.B.Phn ng ta nhiu nhit.


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C.Phn ng xy ra nhit thng hoc khng cao lm.D.To ra mui clorua trong kim loi c s oxi ho thp.

Cu 166. Hin tng xy ra khi t natri nng chy trong kh clo :

A.Xut hin khi mu nu.B.C ngn la sng chi.C.Nghe thy ting n lch tch.D.C A, B v C.

Cu 167 : Hin tng xy ra khi cho dy st nng vo bnh ng kh clo :

A.C khi trng.B.C khi nu.C.C khi en.D.C khi tm.

Cu 168 : T bt Fe v mt ho cht X c th iu ch trc tip c FeCl3.

Vy X l :

A.Dung dch HCl.B.Dung dch CuCl2.C.Kh clo.D.C A, B, C u c.

Cu 169 : t chy dy ng nng trong kh X, sau ho tan sn phm vo nc c dung

dch c mu xanh lam. Kh X l :

A.O2B.O3C.Cl2D.SO3

Cu 170 : t dy st nung trong kh X to ra khi mu nu. Kh X l :

A.O2B.Cl2C.NO2D.SO3

Cu 171 : Hn hp kh hiro v kh clo n mnh nht khi t l mol gia hiro v clo l

A.1 : 1B.1 : 2.C.2 : 1D.Bt k t l no.

Cu 172 : Ch ra u khng phi l tnh cht ca nc clo ?

A.C mu vng lc.B.C mi hc.


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C.C tnh kh mnh.D.C tnh ty mu.

Cu 173 : Ch ra ni dung ng:

A.Kh clo khng phn ng vi kh oxi.B.Kh clo phn ng vi kh oxi to ra Cl2O.C.Kh clo phn ng vi kh oxi to ra Cl2O5.D.Kh clo phn ng vi kh oxi to ra Cl2O7.

Cu 174 : Hin tng xy ra khi cho giy qu tm vo nc clo :

A.Qu tm khng i mu.B.Qu tm ho .C.Qu tm mt mu.D.Lc u qu tm ho , sau mt mu.

Cu 175 : Trong t nhin, clo c hai ng v bn l :

A.35Cl v 36ClB.34Cl v 35ClC.36Cl v 37ClD.35Cl v 37Cl

Cu 176 : Th mt mnh giy qu tm vo dung dch NaOH long. Sau sc kh Cl 2 vo dungdch , hin tng xy ra l :

A.Giy qu t mu tm chuyn sang mu xanh.B.Giy qu t mu xanh chuyn v mu tm.C.Giy qu t mu xanh chuyn sang mu hng.D.Giy qu t mu xanh chuyn sang khng mu.

Cu 177 : Khong cht khng cha nguyn t clo :A.Mui m.B.Khong cacnalit.C.Khong lmit.D.Khong sinvinit.

Cu 178 : Trong t nhin, clo ch trng thi t do trong :

A.khng kh trn tng bnh lu.B.kh phun ra t m kh thin nhin.C.kh phun ra t m du.D.kh phun ra t ming ni la.

Cu 179 : Cht kh c dng dit trng nc sinh hot, nc b bi... l :

A.F2B.Cl2C.N2D.CO2



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A.Clo l phi kim rt hot ng.B.Clo l cht kh trong nhiu phn ng ho hc.C.Trong cc hp cht, clo ch c s oxi ho 1.D.Clo l cht oxi ho mnh.

Cu 181 : Ch ra u khng phi l ng dng ca clo :

A.X l nc sinh hot.B.Sn xut nhiu ho cht hu c (dung mi, thuc dit cn trng, nha, cao su tng

hp, si tng hp).

C.Sn xut NaCl, KCl trong cng nghip.D.Dng ty trng, sn xut cht ty trng.

Cu 182 : Mt lng ln clo c dng

A.dit trng nc sinh hot.B.sn xut cc ho cht hu c.C.sn xut nc Gia-ven, clorua vi.D.sn xut axit clohiric, kali clorat...

Cu 183 : Nguyn tc iu ch kh clo l da vo phn ng sau :

A. 2Cl Cl2 + 2e

B. NaCl Na +2

1Cl2

C. 4HCl + MnO20t Cl2 + MnCl2 + 2H2O

D. 2NaCl + 2H2O Cl2 + H2 + 2NaOH

Cu 184. lm sch kh clo khi iu ch t MnO2 v HCl c, cn dn kh thu c ln lt

qua cc bnh ra kh :

A.(1) cha H2SO4 c v (2) cha dung dch NaCl.B.(1) cha dung dch NaCl v (2) cha H2SO4 long.C.(1) cha dung dch NaCl v (2) cha H2SO4 c.D.(1) cha H2SO4 c v (2) cha nc ct.

Cu 185. C ba cch thu kh di y, cch no c th dng thu kh clo ?

Cch 1 Cch 2 Cch 3

A.Cch 1.B.Cch 2.C.Cch 3.D.Cch 1 hoc cch 3.

- - - - - - - -- - - - - - -H2O- - - -- - - - -

pdd

m.n

pdd


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Cu 186. Trong bnh in phn dung dch NaCl sn xut NaOH, kh Cl2 v H2 trong cngnghip, c :

A.catot bng than ch, anot bng st.B.catot bng st, anot bng than ch.C.catot v anot u bng than ch.D.catot v anot u bng st.Cu 187. Ch ra phng trnh ha hc ca phn ng sn xut clo trong cng nghip :A. 4HCl + MnO2 MnCl2 + Cl2 + 2H2O

B. 16HCl + 2KMnO4 2MnCl2 + 5Cl2 + 2KCl + 8H2O

C. 2NaCl + 2H2O Cl2 + H2 + 2NaOH

D. NaCl pnc Na + 1/2Cl2

Cu 188 : Khi iu ch clo trong phng th nghim, ming bnh thu kh clo c bng tm xt,

:

A.nhn bit kh clo thu y hay cha.B.khng cho kh clo khuch tn vo khng kh.C.dng nhn bit kh clo do clo tc dng vi xt sinh ra nc Gia-ven c tc dng

lm trng bng.

D.C B v C.Cu 189 :Khng c dng phng php no sau y nhn bit kh clo ?

A.Quan st mu sc ca kh.B.Ngi mi ca kh.C.Dng qu tm m.D.Ho tan vo nc to ra dung dch mu vng lc lm mt mu qu tm.

Cu 190 : Kh clo c th c lm kh bng :

A.H2SO4c.B.CaO rn.C.NaOH rn.D.H2SO4 c hoc CaO rn.

Cu 191 : vn chuyn kh clo t nh my sn xut n ni tiu th, ngi ta ng kh clo kh

trong bnh bng :

A.cht do.B.thy tinh.C.thp.D.uy-ra.

Cu 192 : Cch tt nht lm sch khng kh trong phng th nghim c ln lng ln kh clol :

A.Phun nc.B.Phun dung dch Ca(OH)2.C.Phun kh NH3.

pdd

m.n


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D.Phun kh H2.(vo khng kh trong phng th nghim ).

Cu 193 : Kh clo iu ch trong phng th nghim c ln kh HCl. lm sch kh clo cn sc

hn hp kh ny vo :

A.nc.B.dung dch HCl.C.dung dch NaOH.D.dung dch NaCl.

Cu 194 : Cho 0,2 mol HCl tc dng hon ton vi MnO2 thu c V1 lt kh X c mu vng lc.

Cng cho 0,2 mol HCl tc dng hon ton vi KMnO4, thu c V2lt kh X.

So snh V1 v V2 (trong cng iu kin nhit , p sut) :

A.V1 > V2B.V1 = V2C.V1 < V2D.Khng xc nh c.

Cu 195 : Cht no khng c dng lm kh kh clo ?

A.H2SO4 c.B.CaCl2 khan.C.CaO rn.D.P2O5.

Cu 196 : Cho cc s phn ng :

Zn + HCl Kh A + ...

KMnO4 + HCl Kh B + ...

KMnO4 0t Kh C + ...

Cc kh sinh ra (A, B, C) c kh nng phn ng vi nhau l :

A.A v B, B v C.B.A v B, A v C.C.A v C, B v C.D.A v B, B v C, A v C.

Cu 197 : Khi iu ch kh clo trong phng th nghim, khng cho kh clo thot ra ngoi, c

th thc hin bng cch :A.trn ming bnh thu kh c t bng tm xt.B.thu kh clo vo bnh c nt kn.C.thu kh clo vo bnh, ri nhanh chng nt kn.D.C A, B, C u c.

Cu 198 : Trong mi trng hp, khi iu ch hay s dng kh clo u khng c clo thot

ra ngoi, v :


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A.kh clo rt c.B.kh clo gy ra ma axit.C.kh clo lm thng tng ozon.D.kh clo lm nhim khng kh.

Cu 199 : 200C, mt th tch nc ho tan c bao nhiu th tch kh HCl ?

A.2,5.B.250.C.500.D.800.

Cu 200 : 200C, dung dch HCl c nht c nng :

A.20%.B.37%.C.68%.D.98%.

Cu 201 : Dung dch axit clohiric c nht c khi lng ring :

A.0,97g/cm3.B.1,10g/cm3.C. 1,19g/cm3.

D. 1,74g/cm3.

Cu 202 :Khi h l ng dung dch axit clohiric c trong khng kh m th khi lng ca l

A.tng.B.gim.C.khng thay i.D.tng hoc gim.

Cu 203 : Khi m l ng dung dch axit clohiric c trong khng kh m thy hin tng :

A.Bc khi (do HCl bay hi ra kt hp vi hi nc).B.L ng axit nng ln nhiu (do axit HCl c hp th hi nc to ra nhiu nhit).C.Khi lng l ng axit tng (do axit HCl c ht m mnh).D.Dung dch xut hin mu vng (do s oxi ho HCl bi oxi to ra nc clo c mu

vng).Cu 204 : Tnh cht ca axit clohiric :

A.L axit mnh, c tnh oxi ho, c tnh kh.B.L axit mnh, c tnh oxi ho, khng c tnh kh.C.L axit mnh, c tnh kh, khng c tnh oxi ho.D.L axit mnh, tc dng c vi cc kim loi ng trc hiro trong dy in ho, c

tnh kh, khng c tnh oxi ho.

Cu 205 : iu ch kh hiro clorua bng cch :


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A.cho tinh th NaCl tc dng vi H2SO4 c v un nng.B.cho dung dch NaCl tc dng vi H2SO4c v un nng.C.cho dung dch NaCl tc dng vi dung dch H2SO4 v un nng.D.cho tinh th NaCl tc dng vi dung dch H2SO4 v un nng.

Cu 206 : Phn ng c dng sn xut HCl trong cng nghip :

A.NaCl + H2SO4 0250 C NaHSO4 + HClB.Cl2+ H2 0t 2HClC.2NaCl + H2SO4 0400 C Na2SO4 + 2HClD.CH4 + 4Cl2 askt CCl4 + 4HCl

Cu 207 : Qu trnh sn xut axit clohiric trong cng nghip, kh HCl c hp th trong baonhiu thp hp th ?

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

Cu 208 : Ch ra u khng phi l ng dng ca axit clohiric ?

A.Dng sn xut mt s mui clorua.B.Dng qut ln g chng mc.C.Dng ty g, lm sch b mt nhng vt liu bng gang, thp trc khi sn hoc

m.

D.Dng trong cng nghip thc phm v y t.Cu 209 : Cht no dng khan c th dng lm kh mt s cht kh ?

A.ZnCl2B.BaCl2C.CaCl2D.AlCl3

Cu 210 : Khi nc Gia-ven trong khng kh, c phn ng ho hc xy ra l :

A. 2NaClO + CO2 + H2O Na2CO3 + 2HClO.

B. NaClO + CO2 + H2O NaHCO3 + HClO.

C. NaClO + O2 NaClO3.

D. NaClO NaCl + O (oxi nguyn t).

Cu 211 : Trong cng nghip, nc Gia-ven c sn xut bng cch :

A.in phn dung dch NaCl 20% c mng ngn nhit thng.B.in phn dung dch NaCl 20% khng c mng ngn nhit thng.C.in phn dung dch NaCl 20% khng c mng ngn nhit 750C.D.in phn dung dch NaCl 20% c mng ngn nhit 750C.

Cu 212 : Mui hn tp l mui ca :

A.mt kim loi vi nhiu loi gc axit khc nhau.


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B.nhiu kim loi vi nhiu loi gc axit khc nhau.C.mt gc axit vi nhiu kim loi khc nhau.D.nhiu kim loi khc nhau vi nhiu gc axit khc nhau.

Cu 213 : Khi sc kh Cl2 vo bt CaCO3 trong H2O, to ra sn phm l :

A.CaCl2, CO2, O2.B.CaOCl2, CO2.C.CaCl2, CO2, HClO.D.CaCl2, Ca(ClO)2, CO2.

Cu 214 : Khi bt clorua vi trong khng kh, c phn ng xy ra l :

A. CaOCl2 + H2O Ca(OH)2 + Cl2

B. 2CaOCl2 + CO2 CaCO3 + CaCl2 + Cl2O

C. 2CaOCl2 + CO2+ H2O CaCO3 + CaCl2 + 2HCl

D. CaOCl2

CaCl2

+ O (oxi nguyn t)

Cu 215 : Ch ra u khng phi l ng dng ca clorua vi :

A.Ty trng vi, si, giy, ty u cng rnh, chung tri....B.Dng lm cht kh chua cho t nhim phn.C.Dng trong tinh ch du m.D.Dng x l cc cht c, bo v mi trng.

Cu 216 : Dy no sp xp theo th t tnh cht axit tng dn ?

A. HCl, H2CO3, 3HCO , HClO.

B. HClO, 3HCO

, H2CO3, HCl.

C. 3HCO , HClO, H2CO3, HCl.

D. 3HCO , H2CO3, HClO, HCl.

Cu 217 : Cc ng dng ca nc Gia-ven, clorua vi, kali clorat... u da trn

c s :

A.tnh oxi ho mnh.B.tnh ty trng.C.tnh st trng.D.tnh kh mnh.

Cu 218. Kh flo khng tc dng trc tip vi :

A.O2 v N2.B.Au v Pt.C.Cu v Fe.D.C A, B v C.

Cu 219. Cht no c dng khc ch ln thy tinh ?


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A.Dung dch NaOH.B.Dung dch HF.C.Dung dch H2SO4 c.D.Dung dch HClO4.

Cu 220. Criolit c cng thc ho hc l :

A.CaF2B.Na2SiF6C.Na3AlF6D.NaAlO2

Cu 221. CFC trc y c dng lm cht sinh hn trong t lnh v my iu ho nhit .CFC l :

A.CF4 v CCl4.B.CF4 v CF2Cl2.C.CCl4 v CFCl3.D.CF2Cl2 v CFCl3.

Cu 222. Cht no khi thi ra kh quyn, c tc hi ph hy tng ozon ?

A.Floroten.B.Teflon.C.Freon.D.C A, B v C.

Cu 223. Nguyn t c dng trong cng nghip sn xut nhin liu ht nhn lm giu 235Ul :

A.Clo.B.Flo.C.Brom.D.Iot.


A.Flo l nguyn t phi kim mnh nht.B.Flo l cht oxi ho rt mnh.C.Flo l phi kim c tnh oxi ho mnh.D.C A v B.

Cu 225 : sn xut F2 trong cng nghip, ngi ta in phn hn hp :

A.CaF2 + 2HF nng chy.B.3NaF + AlF3 nng chy.C.KF + 2HF nng chy.D.AlF3 + 3HF nng chy.

Cu 226 : Trong bnh in phn sn xut F2 :

A.cc m v cc dng lm bng graphit.B.cc m v cc dng lm bng ng.C.cc m lm bng graphit, cc dng lm bng ng.


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D.cc m bng ng, cc dng lm bng graphit.Cu 227 : Trong cc cht sau, cht no d tan trong nc ?

A.AgIB.AgBrC.AgFD.AgCl

Cu 228 : Cho cc cht : O2, F2, Cl2. Cht ch c tnh oxi ho l :

A.O2B.F2C.Cl2D.C A, B v C.

Cu 229 : Cht no sau y ri vo da s gy bng nng ?

A.Nc clo.B.Cn iot.C.Brom.D.C A, B v C.

Cu 230 : Cht no c dng trng ln phim nh ?

A.AgClB.AgBrC.AgID.AgF

Cu 231 : Ngun nguyn liu chnh iu ch iot l :

A.Nc bin.B.Nc mt s h nc mn.C.Rong bin.D.Qung natri iotua.

Cu 232 : Trong t nhin, nguyn t halogen c hm lng t nht l :

A.FloB.IotC.CloD.Brom

Cu 233 : Phn ng ho hc dng iu ch brom l :

A. 4HBr + MnO2 0

t Br2 + MnBr2 + 2H2OB. 2NaBr + Cl2 Br2 + 2NaCl

C. 2NaBr pnc 2Na + Br2

D. 2NaBr + 2H2Opnc 2NaOH + Br2 + H2

Cu 234 : Hin tng xy ra khi bc bromua ngoi nh sng :

A.Xut hin cht rn mu trng bc, c nh kim.B.Xut hin cht rn mu en.


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C.Xut hin cht lng mu nu.D.Xut hin hn hp cht rn v cht lng mu nu.

Cu 235 : Trong iu kin thch hp, c phn ng A2 + H2 2HA

A l :

A.F2B.Cl2C.I2D.Br2

Cu 236 : Ch ra pht biu sai:

A.Nc clo l dung dch ca kh clo trong nc.B.Nc flo l dung dch ca kh flo trong nc.C.Nc iot l dung dch ca iot trong nc.D.Nc brom l dung dch ca brom trong nc.


A.Iot tan nhiu trong nc, to ra dung dch gi l nc iot.B.Nc iot to vi h tinh bt mt cht c mu xanh.C.Nc iot l thuc th nhn bit h tinh bt.D.H tinh bt l thuc th nhn bit iot.

Cu 238 : Mui iot l mui n c trn thm mt lng nh :

A.I2B.NaIC.KID.CaI2

Cu 239 : Trong cc cht sau, dung dch c ca cht no khng c hin t

ng bc khi ?A.HClB.HIC.HBrD.HNO3

Cu 240 : Cch no khng c dng iu ch hiro bromua ?

A. 2NaBr(tinh th) + H2SO4 (c) 0t 2HBr + Na2SO4

B. PBr3 + 3H2O H3PO3 + 3HBr

C. 5Br2 + 2P + 6H2O 2H3PO3 + 10HBr

D. C A, B v C u iu ch c HBr.

Cu 241 : Dung dch no khi lu trong khng kh thng c mu vng ?

A.HClB.HFC.H2SO3D.HBr

Cu 242 : C phn ng sau :


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2HX + H2SO4(c) X2 + SO2 + 2H2O

Trong , HX l :

A.HClB.HFC.HBrD.C A, B v C

Cu 243 : Trong phn ng :

8HX + H2SO4(c) 4X2 + H2S + 4H2O

HX l :

A.HIB.HBrC.HFD.HCl

Cu 244 : So snh tnh axit, bn, tnh oxi ho ca HClO v HBrO :

A. bn, tnh axit, tnh oxi ho ca HBrO u ln hn ca HClO.B. bn, tnh axit, tnh oxi ho ca HClO u ln hn ca HBrO.C.HBrO c tnh axit mnh hn, cn tnh oxi ho v bn km HClO.D.HBrO c tnh axit v bn ln hn ; cn tnh oxi ho yu hn HClO.

Cu 245 : Halogen no khng c iu ch t nc bin ?

A.Flo v clo.B.Flo v brom.C.Flo v iot.D.Brom v clo.Cu 246 : iu ch iot, ngi ta phi rong bin, t thnh tro, ngm tro

trong nc, gn ly dung dch em c cho n khi phn ln mui nolng xung ?

A.Clorua.B.Iotua.C.Sunfat.D.C A v C.

Cu 247 : Ch ra u khng phi l ng dng ca brom ?

A.

Dng sn xut mt s dn xut ca hirocacbon nhC2H5Br, C2H4Br2 trong cng

nghip dc phm.B.Sn xut NaBr dng lm thuc chng su rng.C.Sn xut AgBr dng trng ln phim nh.D.Cc hp cht ca brom c dng nhiu trong cng nghip du m, nng nghip,

phm nhum...

Cu 248 : Khi cho Fe3O4 tc dng vi HI d, to ra :

A.mui FeI2.


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B.mui FeI3.C.mui FeI2 v FeI3.D.mui Fe3I8.

Cu 249 : Khi xut hin trong phn ng gia bt nhm v bt iot (xc tc H 2O) l :

A.AlI3B.I2C.Al2O3D.I2O

Cu 250 : Halogen theo ting La Tinh c ngha l :

A.c.B.sinh ra mui.C.mu sc.D.oxi ho mnh.


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Chng 6Nhm oxi

Cu 251 : X2 l cht kh, khng mu, khng mi, nng hn khng kh. X l :

A.Nit.B.Oxi.C.Clo.D.Agon.

Cu 252 : Trong protein ca c th sng, lu hunh c di dng

A. hiro sunfua (H2S).

B. sunfua ( S ).

C. isunfua ( S S ).

D. C A, B v C.

Cu 253 : Cho dy hp cht : H2S, H2O, H2Te, H2Se. Cht c nhiu tnh cht khc vi cc chtcn li l :

A.H2SB.H2OC.H2TeD.H2Se

Cu 254 : Cho dy nguyn t nhm VA : S, O, Se, Te. Nguyn t ca nguyn t no c c imv cu to lp v electron khc vi cc nguyn tcn li ?

A.SB.OC.SeD.Te


A.Nguyn t oxi c m in ln hn mi nguyn t khc (tr flo).B.Oxi l phi kim hot ng ho hc, c tnh oxi ho mnh.C.Oxi tc dng vi hu ht cc kim loi (tr Au, Pt...).D.Oxi tc dng vi hu ht cc phi kim (tr N2, kh him).

Cu 256 : Mi ngy mi ngi cn bao nhiu m3 khng kh th ?

A.10 20.B.20 30.C.30 40.D.40 50.

Cu 257 : Phn ng oxi ho cc cht c th xy ra nhanh hay chm khng ph thuc vo :

A.nhit .B.bn cht ca phn ng.C.phn ng ta nhit hay thu nhit.


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C.O3D.H2S

Cu 265 : Cho cc kh sau : O2, O3, N2, H2. Cht kh tan nhiu trong nc nht l :

A.O2B.O3C.N2D.H2

Cu 266. Ch ra tnh cht khng phi ca H2O2 :

A.L hp cht t bn, d b phn hy thnh H2 v O2 khi c xc tc MnO2.B.L cht lng khng mu.C.Tan trong nc theo bt k t l no.D.S oxi ho ca nguyn t oxi l 1.


A.O3 l mt dng th hnh ca O2.B.O3 tan trong nc nhiu hn O2 gn 16 ln.C.O3 oxi ho c hu ht cc kim loi (tr Au v Pt).D. iu kin thng, O2 khng oxi ho c Ag nhng O3 oxi ho c Ag thnh

Ag2O.

Cu 268. Cch biu din cng thc cu to ng nht ca phn t ozon :

A. O

O OO

B. O O

O

C. O O

O

D. O O

Cu 269. Ch ra ph

ng trnh ha hc ng:A. 4Ag + O2

ot thng 2Ag2O

B. 6Ag + O3 ot thng 3Ag2O

C. 2Ag + O3 ot th n g Ag2O + O2

D. 2Ag + 2O2ot th n g Ag2O + O2

Cu 270 : Phn ng chng t H2O2 c tnh oxi ho l :

A.H2O2 + 2KI I2 + 2KOH


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B.H2O2 + Ag2O 2Ag + 2H2O + O2C.5H2O2 + 2KMnO4 + 3H2SO4 2MnSO4 + 5O2 + K2SO4 + 8H2OD.C A, B v C

Cu 271 : Hin tng quan st c khi sc kh ozon vo dung dch kali iotua :

A.Nu nhng giy qu tm vo th giy qu chuyn sang mu xanh.B.Nu nhng giy tm h tinh bt vo th giy chuyn sang mu xanh.C.C kh khng mu, khng mi thot ra.D.C A, B v C.

Cu 272 : Lng H2O2 sn xut ra c s dng nhiu nht trong

A.ch to nguyn liu ty trng trong bt git.B.dng lm cht ty trng bt giy.C.ty trng t si, bng, len, vi...D.dng trong cng nghip ho cht, kh trng ht ging trong nng nghip, cht st

trng trong y khoa.

Cu 273 : Ch ra ni dung saikhi ni v ozon trong t nhin :

A.Ozon c hnh thnh trong kh quyn khi c s phng in (st, tia chp...).B. mt t, ozon c sinh ra do s oxi ho mt s cht hu c (nha thng, rong

bin...).

C.Tng ozon c hnh thnh l do tia t ngoi ca mt tri chuyn ho cc phn t oxithnh ozon.

D.Khng kh cha lng ozon trn mt phn triu (theo th tch) c tc dng lm chokhng kh trong lnh.

Cu 274 : Cho cc qu trnh : S chy, s quang hp, s h hp, s thi ra. Qu trnh khc bitvi ba qu trnh cn li l :

A.S chy.B.S quang hp.C.S h hp.D.S thi ra.

Cu 275 : Dng th hnh no ca lu hunh bn di 95,50C ?

A.Lu hunh do.B.Lu hunh hoa.C.Lu hunh n t.D.Lu hunh t phng.Cu 276 : Phn t lu hunh gm 8 nguyn t lin kt cng ho tr vi nhau

to thnh

A.Mch thng.B.Mch vng.C.Mch dch-dc.D.Hnh lp phng.

Cu 277 : nhit no lu hunh trng thi lng, mu vng, rt linh ng ?

A.1130C


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B.1190CC.1870CD.4450C

Cu 278 : 14000C, hi lu hunh l nhng phn t

A.S8B.S6C.S2D.S


A.S v S khc nhau v cng thc phn t.B.S v S khc nhau v cu to tinh th.C.S v S c tnh cht ho hc ging nhau.D.S v S khc nhau v mt s tnh cht vt l.

Cu 280 : Khi lu hunh n t mi iu ch nhit phng trong vi ngy, ta quan st

thy th tch ca nA.gim xung.B.tng ln.C.khng thay i.D.c th gim xung hoc tng ln.

Cu 281 : Hi thy ngn rt c, do phi thu hi thy ngn ri vi bng cch :

A.nh nc brom ln git thy ngn.B.nh nc ozon ln git thy ngn.C.rc bt lu hunh ln git thy ngn.D.rc bt photpho ln git thy ngn.Cu 282 : Phng php Frasch khai thc lu hunh t do trong lng t,

da trn c s l :

A. Kh nng b ho tan trong nc nhit cao ca lu hunh.

B. Kh nng phn ng vi nc nhit cao ca lu hunh :

2H2O + 3Sot

2H2S + SO2

C. Kh nng phn ng vi oxi trong khng kh (c nn vo) calu hunh :

S + O2 SO2

D. Khng phi cc c s trn.

Cu 283 : Khi magie chy trong oxi to ra nh sng mu

A.vng.B.trng.C.da cam.D. gch.

Cu 284 : Kh H2S khng c trong

A.mt s nc sui.


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B.Thanh st b n mn trong H2SO4 c, khng tan trong H2SO4 long.C.Trong c hai trng hp thanh st u b n mn.D.Trong c hai trng hp thanh st u khng b n mn.

Cu 292 : Ho cht hng u trong nhiu ngnh sn xut l :

A.Axit clohiric.B.Axit sunfuric.C.Axit nitric.D.Axit photphoric.

Cu 293 : Axit sunfuric trong cng nghip c sn xut bng phng php

A.thp.B.tip xc.C.oxi ho kh.D.ngc dng.

Cu 294 : Cht no khng c iu ch trong phng th nghim ?

A.Axit clohiric.B.Axit sunfuric.C.Axit nitric.D.Axi sunfuhiric.

Cu 295 : Kim loi no b th ng trong H2SO4 c, ngui ?

A.Zn, Al.B.Fe, Al.C.Cu, Fe.D.Zn, Fe.

Cu 296 : SO3tan v hn trong

A.nc.B.axit sunfuric long.C.axit sunfuric c.D.C A, B v C.

Cu 297 : Mt s kim loi nhFe, Al, Cr b th ng trong H2SO4 c, ngui do :

A.to ra lp sunfat bn bo v.B.to ra lp oxit bn bo v.C.to ra lp hiroxit bn bo v.D.to ra lp hirosunfat bn bo v.

Cu 298 : Trong sn xut H2SO4 kh SO3 c hp th bng :

A.Nc.B.Axit sunfuric long.C.Axit sunfuric c, ngui.D.Axit sunfuric c, nng.

Cu 299 : Oleum l :


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A.Dung dch ca SO3 trong H2SO4B.H2SmO3m +1C.H2SO4. mSO3D.C A, B v C

Cu 300 : Ly 2 ng nghim, cho vo mi ng nghim mt t l ng nh (ly d).

Rt vo ng nghim th nht 1ml H2SO4long, vo ng nghim th hai 1ml H2SO4c. un nng nh c 2 ng nghim n khi khng cn hin tng g xy ra.Sau nu nhng giy qu tm vo cc dung dch trong mi ng nghim (coi muing khng b thy phn) ta thy :

A.ng th nht giy qu chuyn sang mu , ng th hai giy qu khng chuyn mu.b. ng th nht giy qu khng chuyn mu, ng th hai giy qu chuyn sang mu .

B. c hai ng giy qu u chuyn sang mu .C. c hai ng giy qu u khng chuyn mu.

Cu 301 : C 4 ng nghim ng y 4 kh ring bit sau : SO2, O2, O3, H2S. p cc ng nghimny vo chu nc, sau mt thi gian c kt qu :

X Y

- - - -- - - - - - - - - - - - - - - - - - -- - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

H2O H2O

Xc nh cc kh X, Y, Z, W.

X Y Z W

a. SO2 O2 O3 H2S

b. O2 O3 H2S SO2

c. O2 O3 SO2 H2S

d. O3 O2 H2S SO2

Cu 302 : Cho bt Fe vo H2SO4 c, nng cho n khi Fe khng cn tan

c na. Sn phm thu c l :

A.FeSO4B.Fe2(SO4)3C.FeSO4 v Fe2(SO4)3D.Do st b th ng nn khng to ra cc sn phm trn.

Cu 303 : phn bit 2 kh SO2 v H2S, c th dng

A.dung dch natri hiroxit.B.dung dch kali pemanganat.C.dung dch brom trong nc.


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D.dung dch brom trong clorofom.Cu 304 : Cho Zn dvo axit H2SO4 c, sn phm kh bay ra c

A.SO2B.H2C.C SO2 v H2D.Khng c kh bay ra v Zn b th ng trong H2SO4 c.

Cu 305 : Kh no sau y c th c lm kh bng H2SO4 c ?

A.H2SB.H2C.NH3D.C A, B v C u khng c lm kh bng H2SO4 c.

Cu 306 : Kh sau y c th c lm kh bng H2SO4 c :

A.HBrB.HClC.HID.C A, B v C

Cu 307 : Cht kh no sau y c th lm kh bng H2SO4 c ?

A.H2SB.SO3C.NH3D.Khng phi cc kh A, B v C.

Cu 308 : Sn xut SO3 bng cch oxi ho SO2 bng oxi nhit :

A.3500C 4000CB.4000C 4500CC.4500C 5000CD.5000C 5500C

Cu 309 : S gam H2O dng pha long 1 mol oleum c cng thc H2SO4.2SO3 thnh axit

H2SO4 98% l :

A.

36g

B.40gC.42gD.C A, B v C u sai.

Cu 310 : Sn phm ca phn ng gia axit sunfuric v mt cht kh ph thuc vo :

A.iu kin phn ng.B.nng ca axit.C.nhit ca phn ng.


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D.bn cht ca cht kh.


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Chng 7Tc phn ngv cn bng ho hc

Cu 311 : Ch ra cng thc tnh tc trung bnh ca phn ng :

N2O5 N2O4 +2

1O2

A.

=

2 5 2 5

2 5

N O (sau p/) N O (trc p/)N O

C CV

t

B.

=

2 4 2 4

2 4

N O (sau p/) N O (trc p/)N O

C CV

t

C.

=

2 2

2

O (sau p/) O (trc p/)O

C CV

t

D. C B v C.Cu 312 : Ch ra ni dung sai:

A.Cht xc tc lm cn bng chuyn dch.B.Cht xc tc lm tng c phn ng.C.Cht xc tc lm cho cn bng c thit lp nhanh hn.D.Cht xc tc khng lm bin i nng cc cht trong cn bng.

Cu 313 : Cho 0,500 mol/lt H2 v 0,500 mol/lt I2 vo trong mt bnh kn nhit 4300C, ch

thu c 0,786 mol/lt HI.

Vy khi un nng 1,000 mol/lt HI trong bnh kn 4300C thu c :

A.0,786 mol/lt kh iot.B.0,224 mol/lt kh iot.C.0,393 mol/lt kh iotD.0,107 mol/lt kh iot.

Cu 314 : C 3 ng nghim ng kh NO2 (c nt kn). Sau :

Ngm ng th nht vo cc nc .

Ngm ng th hai vo cc nc si.

Cn ng th ba iu kin thng.

Mt thi gian sau, ta thy :

A.ng th nht c mu m nht, ng th hai c mu nht nht.B.ng th nht c mu nht nht, ng th hai c mu m nht.C.ng th nht c mu m nht, ng th ba c mu nht nht.D.ng th nht c mu m nht, ng th hai v ng th ba u c mu nht hn.

Cu 315 : Cht xc tc V2O5 trong phn ng :

2SO2 + O2 2SO3

c vai tr :

CCl4

450C


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A.tng tc phn ng thun v nghch nhnhau.B.ch lm tng tc phn ng thun.C.ch lm tng tc phn ng nghch.D.lm cho tc phn ng thun xy ra nhanh hn phn ng nghch.

Cu 316 : Khi trng thi cn bng ho hc, th :

A.phn ng thun v phn ng nghch u dng li.B.phn ng thun v phn ng nghch u khng dng li.C.ch c phn ng thun dng li.D.ch c phn ng nghch dng li.

Cu 317 : Ch ra ni dung saikhi ni v cn bng ho hc :

A.L mt trng thi ch c phn ng thun nghch.B.Khi tc phn ng thun bng tc phn ng nghch.C.L mt cn bng tnh.D.

C A, B v C u ng.

Cu 318 : Vai tr ca cht xc tc :

A.ch lm tng tc phn ng thun.B.ch lm tng tc phn ng nghch.C.lm tng tc c phn ng thun v phn ng nghch nhng lm tc phn ng

thun tng nhanh hn phn ng nghch.

D.lm tng tc ca cc phn ng thun nghch v phn ng nghch nhnhau.Cu 319 : Xt phn ng :

2NO2 N2O4

(Kh) (Kh)T khi hi ca hn hp kh thu c so vi H2 nhit t1 l 27,6

0C ; nhit t2 l

34,50C ; khi t1 > t2 th chiu thun ca phn ng trn l :

A.To nhit.B.Thu nhit.C.Khng thu nhit, cng khng to nhit.D.Cha xc nh c.

Cu 320 : Phn ng xy ra gia H2 v halogen no c c im khc bit vi phn ng xy ra

gia H2 v cc halogen cn li ?

A.Flo.B.Clo.C.Iot.D.Brom.


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P h n h a i : H o h c l p 1 1

Chng 1S in li


A.Tnh dn in ca cc dung dch axit, baz v mui l do trong dung dch ca chngc cc ion.

B.Nhng cht tan trong nc phn li ra ion c gi l nhng cht in li.C. in li ca cc cht in li khc nhau nm trong khong 0


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A.Theo thuyt Bron-stt, axit v baz c th l phn t hoc ion.B.Theo thuyt Bron-stt, nc l cht lng tnh.C.Thuyt Bron-stt tng qut hn thuyt A-r-ni-t.D.Khi nghin cu tnh cht axit baz trong dung mi nc, thuyt Bron-stt cho kt

qu khc vi thuyt A-r-ni-t.

Cu 327. Theo thuyt Bron-stt, nc ng vai tr l cht :

A.axit.B.baz.C.trung tnh.D.lng tnh.

Cu 328. i vi axit hay baz xc nh th hng s axit (Ka) hay hng s baz (Kb) c c im

l :

A.Ch ph thuc nhit .B.Khng ph thuc nhit .C.Ch Ka ph thuc nhit .D.Ch Kb ph thuc nhit .

Cu 329. Phng trnh in li ca [Ag(NH3)2]Cl :

A.[Ag(NH3)2]Cl [Ag(NH3)]Cl + 3NH B.[Ag(NH3)2]Cl AgCl + 2NH3C.[Ag(NH3)2]Cl [Ag(NH3)2]+ + ClD.[Ag(NH3)2]Cl Ag+ + [Cl(NH3)2]

Cu 330 : Thuyt A-r-ni-t khng nh: Trong phn t axit lun c nguyn t hiro ( 1).

Ng

c li trong phn t cht no m c hiro th u l cht axit ( 2). Vy :A. 1 ng, 2 sai.B. 1 sai, 2 ng.C.C hai u ng.D.C hai u sai.

Cu 331 : Mt dung dch c cha [OH] = 1.1013. Dung dch ny c mi trng

A.axit.B.kim.C.trung tnh.D.cha xc nh c v khng bit [H+].


A. Tch s ion ca nc :2H O

K = [H+][OH].

B. Tch s ion ca nc khng ph thuc vo nhit .

C. Tch s ion ca nc l hng s c trong dung dch long ca cc cht khc nhau.


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D. 250C: [OH] = 2H OK

[H ]+

(2H O

K : tch s ion ca nc ; [H+], [OH] ln lt l nng ca H+, OH thi im

cn bng trong dung dch).


A.Da vo pH c th nh gi c mi trng ca dung dch .B.pH ca mu ngi v ng vt c gi tr khng i nghim ngt.C.Thc vt c th sinh trng bnh thng ch khi gi tr pH ca dung dch trong t

trong khong c trng xc nh cho mi loi cy.

D.Tc n mn kim loi trong nc t nhin ph thuc t vo pHca nc.


A.Qu tm l mt cht ch th axit baz vn nng.B. xc nh gi tr chnh xc pH ca dung dch ngi ta dng giy tm cht ch th

axit baz vn nng.

C.Cht ch th axit baz l cht c mu bin i ph thuc vo gi tr pH ca dungdch.

D.Trong mi trng axit, phenolphtalein c mu .Cu 335 : Cho cc cht : NaCH3COO, NH4Cl, NaCl, K2S, Na2CO3, KNO3, Fe(NO3)3, ZnBr2, KI.

C bao nhiu cht khi tan trong nc to ra dung dch c mi trng axit ?

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

Cu 336 : Dung dch Fe(CH3COO)2 c mi trng :

A.axit.B.baz.C.trung tnh.D.cha kt lun c v ph thuc vo thu phn ca hai ion.

Cu 337 : Cho cc cp cht : HCl v Na2CO3 ; FeSO4 v NaOH, BaCl2 v K2SO4 ; H2SO4 vHNO3; NaCl v CuSO4; CH3COOH v NaOH.

C bao nhiu cp cht khng cng tn ti trong mt dung dch.

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


A.Trong phng trnh ion rt gn ca phn ng, ngi ta lc b nhng ion khng thamgia phn ng.


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C.Dung dch cc hirua ca cc nguyn t nhm nit c tnh axit yu.D.C A, B v C.

Cu 348 : T nit n bitmut, bn ca cc oxit :

A.c s oxi ho +3 tng, c s oxi ho +5 ni chung gim.B.c s oxi ho +3 gim, c s oxi ho +5 ni chung tng.C.c s oxi ho + 3 v + 5 u tng.D.c s oxi ho + 3 v + 5 u gim.Cu 349 : Oxit ca nguyn t trong nhm nit c s oxi ho +3 c tnh cht ca oxit baz l :A.P2O3B.Bi2O3C.As2O3D.Sb2O3

Cu 350 : Trong cc oxit ca nguyn t trong nhm nit c s oxi ho +3, oxit no l l ng tnhm c tnh baz tri hn tnh axit ?

A.P2O3B.Sb2O3C.As2O3D.Bi2O3

Cu 351 : Trong cc oxit ca nguyn t thuc nhm nit c s oxi ho +3, oxit no d dng tan

trong dung dch axit v hu nhkhng tan trong dung dch kim ?

A.P2O3B.Bi2O3C.As2O3D.Sb2O3

Cu 352 : Trong cc oxit ca nguyn t thuc nhm nit vi s oxi ho +3, oxit no c tnh

lng tnh m tnh axit tri hn tnh baz ?

A.P2O3B.Bi2O3C.As2O3D.Sb2O3

Cu 353 : Trong cc hp cht, nit c cng ho tr ti a l :

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


A.Phn t nit rt bn.B. nhit thng, nit hot ng ho hc v tc dng c vi nhiu cht.C.Nguyn t nit l phi kim hot ng.D.Tnh oxi ho l tnh cht c trng ca nit.


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Cu 355 : Cho 2 phn ng sau :

N2 + 3H2 2NH3 (1)

N2 + O2 2NO (2)A.Phn ng (1) thu nhit, phn ng (2) to nhit.B.Phn ng (1) to nhit, phn ng (2) thu nhit.C.C hai phn ng u thu nhit.D.C hai phn ng u to nhit.

Cu 356 : iu kin thng, nit phn ng c vi :

A.MgB.KC.LiD.F2

Cu 357 : Trong phn ng no sau y, nit th hin tnh kh ?

A.N2 + 3H2 2NH3B.N2 + 6Li 2Li3NC.N2 + O2 2NOD.N2 + 3Mg Mg3N2

Cu 358 : C bao nhiu oxit ca nit khng iu ch c t phn ng trc tip gia nit v oxi ?

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

Cu 359 : Dim tiu cha :

A.NaNO3B.

KCl

C.Al(NO3)3D.CaSO4

Cu 360 : Vit cng thc cc cht l sn phm ca phn ng sau :

NaNO2 + NH4Cl ot

A.NaCl, NH4NO2B.NaCl, N2, 2H2OC.NaCl, NH3, HNO2D.2NaCl, 2NH3, N2O3, H2O

Cu 361 : Trong cng nghip, phn ln lng nit sn xut ra c dng :A.lm mi trng tr trong luyn kim, in t...B.tng hp phn m.C.sn xut axit nitric.D.tng hp amoniac.

Cu 362 : Mt lt nc 200C ho tan c bao nhiu lt kh amoniac ?

A.200B.400C.500


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D.800Cu 363 : Hin tng xy ra khi cho giy qu kh vo bnh ng kh amoniac l :

A.Giy qu chuyn sang mu .B.Giy qu chuyn sang mu xanh.C.Giy qu mt mu.D.Giy qu khng chuyn mu.Cu 364 : Nhng 2 a thu tinh vo 2 bnh ng dung dch HCl c v NH3 c. Sau a 2

a li gn nhau th thy xut hin

A.khi mu trng.B.khi mu tm.C.khi mu nu.D.khi mu vng.

Cu 365 : Khi nh dung dch amoniac (d) vo dung dch mui no sau y th thy xut hinkt ta ?

A.AgNO3B.Al(NO3)3C.Ca(NO3)3D.C A, B v C

Cu 366 : Trong ion phc [Cu(NH3)4]2+, lin kt gia cc phn t NH3 v Cu

2+ l:

A.Lin kt ion.B.Lin kt cng ho tr.C.Lin kt cho nhn.D.Lin kt kim loi.

Cu 367 : Khi dn kh NH3 vo bnh cha kh clo, hc sinh quan st thy hin tng : NH3 t bcchy ( 1) to ra khi trng ( 2). Pht biu ny :

A.C 1 ng, 2 sai.B.C 1 sai, 2 ng.C.C hai u sai.D.C hai u ng.

Cu 368 : Cho cc oxit : Li2O, MgO, Al2O3, CuO, PbO, FeO. C bao nhiu oxit b kh NH3 kh nhit cao ?

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

Cu 369 : T NH3 iu ch c hirazin c cng thc phn t l :

A.NH4OHB.N2H4C.NH2OHD.C6H5NH2

Cu 370 : C th lm kh kh NH3 bng :


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C.Trong HNO3, ion H+ c tnh oxi ho mnh hn ion 3NO .D.Thng thng khi tc dng vi kim loi, axit HNO3 c b kh n NO2, cn axit

HNO3 long b kh n NO.

Cu 378 : Nc cng toan l hn hp gm :

A.

mt th tch HNO3 c v 1 th tch HCl c.

B.mt th tch HNO3 c v 3 th tch HCl c.C.mt th tch HCl c v 3 th tch HNO3 c.D.mt th tch HCl c v 5 th tch HNO3 c.

Cu 379 : Pht biu : Khi thm tng git du thng vo HNO3 c trong bt s th mi git

s t bc chy mnh ( 1) cho ngn la c nhiu mui

( 2).

Pht biu ny

A.c 1 ng, 2 sai.B.c 1 sai, 2 ng.C.c 2 u ng.D.c 2 u sai.

Cu 380 : Phn ln HNO3 sn xut trong cng nghip c dng iu ch

A.phn bn.B.thuc n.C.thuc nhum.D.dc phm.

Cu 381 : HNO3 c sn xut t amoniac. Qu trnh sn xut gm

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


A.Tt c cc mui nitrat u tan tt trong nc v l cht in li mnh.B.Mui nitrat u khng c mu.C. bn nhit ca mui nitrat ph thuc vo bn cht ca cation kim loi to mui.D.Mui nitrat l cc cht oxi ho mnh.

Cu 383 : Cho cc mui nitrat : NaNO3, Cu(NO3)2, Mg(NO3)2, Fe(NO3)3, AgNO3, KNO3,Pb(NO3)2, Al(NO3)3. C bao nhiu mui nitrat khi b nhit phn sinh ra oxit kim loi,NO2 v O2?

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


A.Photpho trng c cu trc mng tinh th phn t.B.Trong photpho trng cc phn t P4 lin kt vi nhau bng lc Van de Van yu.C.Photpho trng rt c, gy bng nng khi ri vo da.


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D.Di tc dng ca nh sng, photpho chuyn dn thnh photpho trng.Cu 385 : Photpho trng c bo qun bng cch ngm trong :

A.du ho.B.nc.C.benzen.D.ete.

Cu 386 : Cht no b oxi ho chm v pht quang mu lc nht trong bng ti ?

A.P trngB.P C.PH3D.P2H4


A.Photpho c cu trc polime.B.Photpho khng tan trong nc, nhng tan tt trong cc dung mi hu c nhbenzen, ete...C.Photpho c, km bn trong khng kh nhit thng.D.Khi lm lnh, hi ca photpho trng chuyn thnh photpho .

Cu 388 : iu kin thng, photpho hot ng ho hc mnh hn nit l do :

A. m in ca photpho ln hn ca nit.B. i lc electron ca photpho ln hn ca nit.C.lin kt trong phn t photpho km bn hn trong phn t nit.D.tnh phi kim ca nguyn t photpho mnh hn ca nit.

Cu 389 : Ch ra ni dung ng:A.Photpho hot ng hn photpho trng.B.Photpho ch th hin tnh oxi ho.C.Photpho khng tan trong cc dung mi thng thng.D. iu kin thng, photpho b oxi ho chm trong khng kh v pht quang mu

lc nht trong bng ti.

Cu 390 : Phn ln photpho sn xut ra c dng sn xut

A.dim.B.

n chy.

C.axit photphoric.D.phn ln.

Cu 391 : Trong dim, photpho c u ?

A.Thuc gn u que dim.B.Thuc qut v bao dim.C.Thuc gn u que dim v thuc qut v bao dim.D.Trong dim an ton khng cn s dng photpho do n c.


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Cu 392 : Phn ng xy ra u tin khi qut que dim vo v bao dim l :

A.4P + 3O2 2P2O3B.4P + 5O2 2P2O5C.6P + 5KClO3 3P2O5 + 5KClD.2P + 3S P2S3

Cu 393 : Hai khong vt chnh ca photpho l :A.Apatit v photphorit.B.Photphorit v cacnalit.C.Apatit v olomit.D.Photphorit v olomit.

Cu 394 : Trong phng th nghim, axit photphoric c iu ch bng phn ng sau :

A.3P + 5HNO3 + 2H2O 3H3PO4 + 5NOB.Ca3(PO4)2 + 3H2SO4 2H3PO4 + 3CaSO4C.4P + 5O2 P2O5 P2O5 + 3H2O 2H3PO4D.2P + 5Cl2 2PCl5

PCl5 + 4H2O H3PO4 + 5HClCu 395 : Ur c iu ch t :

A.kh amoniac v kh cacbonic.B.kh amoniac v axit cacbonic.C.kh cacbonic v amoni hiroxit.D.axit cacbonic v amoni hiroxit.


A.Supephotphat n cha Ca(H2PO4)2 v CaSO4; supephotphat kp cha Ca(H2PO4)2.B.Thnh phn chnh ca supephotphat n v supephotphat kp l mui canxi

hirophotphat.

C.Supephotphat n sn xut qua hai giai on.D.Supephotphat n v supephotphat kp u sn xut qua hai giai on.

Cu 397 : dinh dng ca phn kali c nh gi bng hm lng % ca :

A.KB.K+C.K2OD.KCl

Cu 398 : Tro thc vt cng l mt loi phn kali v c cha

A.KNO3B.KClC.K2CO3D.K2SO4


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Cu 399 : dinh dng ca phn ln c nh gi bng hm lng % ca :

A.PB.P2O5C. 34PO D.H3PO4Cu 400 : Mui (NH4)KHPO4 l loi phn bn :A.Phn hn hp.B.Phn phc hp.C.Phn NPK.D.Supephotphat.


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Chng 3Nhm Cacbon

Cu 401 : Nguyn t nguyn t no sau y trng thi kch thch c s electron ho tr bng s

obitan ho tr ?A.SiB.CC.PbD.C A, B v C

Cu 402 : Ngoi kh nng to lin kt cng ho tr vi cc nguyn t ca nguyn t khc, cc

nguyn t nguyn t no trong nhm cacbon cn c th lin kt vi nhau thnh mch ?

A.Cacbon.B.Silic.C.Gemani.D.C A, B v C.


A.Trong mi lp ca tinh th than ch, mi nguyn t cacbon lin kt theo kiu cngho tr vi ba nguyn t cacbon ln cn.

B.Trong tinh th than ch, khong cch gia hai nguyn t cacbon thuc hai lp ln cnngn hn di lin kt C C.

C.Trong tinh th than ch, cc lp lin kt vi nhau bng lc Van de Van yu.D.Than ch c dng lm in cc, ch cht bi trn,...

Cu 404 : Loi than no c dng lm cht n khi lu ho cao su, sn xut mc in, xi nh

giy... ?

A.Than cc.B.Than g.C.Than mui.D.Than ch.

Cu 405 : Than mui c iu ch bng cch :

A.Nung than ch 30000C di p sut 70 000 100 000 atm.B.Nung than cc 25000C 30000C trong l in, khng c khng kh.C.Nung than m 10000C 12500C trong l in, khng c khng kh.D.Nhit phn metan c xc tc.

Cu 406 : Cng thc cu to ca phn t CO c biu din nhsau :

A. : C

O

B. : C O:


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C. : C

O

D. : C O

Cu 407 : Trong phng th nghim, CO c iu ch bng phn ng :

A. 2C + O2 0t 2CO

B. C + H2O0t CO + H2

C. HCOOH 2 4H SO c CO + H2O

D. 2CH4 + 3O20t 2CO + 4H2O

Cu 408 : Nc kh l :

A.CO2 rn.B.NH3 rn.C.CF2Cl2 rn.D.F2O rn.

Cu 409. Soa l mui :

A.NaHCO3B.Na2CO3C.NH4HCO3D.(NH4)2CO3

Cu 410. Thuc mui nabica cha bnh au d dy cha mui :

A.Na2CO3B.(NH4)2CO3C.NaHCO3D.NH4HCO3

Cu 411. Mui no c tnh cht lng tnh ?

A.NaHSO4B.Na2CO3C.NaHCO3D.Khng phi cc mui trn

Cu 412. Nguyn t ph bin th hai v tri t lA.oxi.B.cacbon.C.silic.D.st.

Cu 413. Silic ioxit l cht dng

A.v nh hnh.B.tinh th nguyn t.


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Chng 4i cng v ho hc hu c

Cu 421 : Cho cc cht : C2H2, CHF3, CH5N, Al4C3, HCN, CH3COONa, (NH2)2CO, CO,

(NH4

)2

CO3

, CaC2

. C bao nhiu cht hu c ?

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

Cu 422 : u khng phi l c im chung ca cc hp cht hu c ?

A.Nht thit phi cha cacbon.B.Lin kt ho hc cc hp cht hu c thng l lin kt cng ho tr.C.Phn ng ca cc hp cht hu c thng xy ra hon ton, theo mt hng nht nh.D.Khng tan hoc t tan trong nc.

Cu 423 : Cho cc cht : CH4, C2H6, C2H2, C12H6, C6H12, C6H6, C4H10, C6H8, C20H42, C20H36,

C20H30.

C bao nhiu cht l ng ng ca nhau ?

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

Cu 424 : Nhng cht ng phn l nhng hp cht khc nhau nhng c cng :

A.cng thc cu to.B.cng thc phn t.C.cng thc ho hc.D.cng thc lp th.

Cu 425 : Cu to ho hc l :

A.Bn cht lin kt gia cc nguyn t trong phn t.B.Th t lin kt gia cc nguyn t trong phn t.C.S lng lin kt gia cc nguyn t trong phn t.D.Cc loi lin kt gia cc nguyn t trong phn t.


A.Xen ph trc v xen ph bn u to ra lin kt .B.Xen ph trc v xen ph bn u to ra lin kt .C.Xen ph trc to lin kt v xen ph bn to lin kt .D.Xen ph trc to lin kt v xen ph bn u to lin kt .


A.Trong lin kt n v lin kt bi u c lin kt .B.Trong lin kt n v lin kt bi u c lin kt .


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C.Trong lin kt n ch c lin kt v lin kt bi ch c lin kt .D.Trong lin kt n ch c lin kt v lin kt bi ch c lin kt .

Cu 428 : u khng phi l ng phn cu to ?

A.ng phn nhm chc.B.ng phn lp th.C.ng phn mch cacbon.D.ng phn v tr nhm chc.

Cu 429 : Cc ng phn lp th c

A.cu to ho hc khc nhau.B.cu to ho hc ging nhau.C.cu trc khng gian khc nhau.D.cu trc khng gian ging nhau.

Cu 430 : Cu trc ho hc cho bit :

A.cu to ho hc.B.s phn b trong khng gian ca cc nguyn t trong phn t.C.bn cht v s lng cc nguyn t trong phn t.D.c A, B v C.


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Chng 5Hirocacbon no

Cu 431 : Cc nguyn t cacbon trong ankan trng thi

A.lai ho sp.B.lai ho sp2.C.lai ho sp3.D.khng lai ho.

Cu 432 : Trong phn t ankan, cc gc ho tr CCC , CCH , HCH u gn bng :

A.900B.109,50C.1200D.180

0


A.Cc nhm nguyn t lin kt vi nhau bi lin kt n C C c th quay tng i tdo quanh trc lin kt to ra v s cu dng

khc nhau.

B.Cu dng che khut bn hn cu dng xen k.C.Khng th c lp ring tng cu dng c.D.Phn t metan khng c cu dng.

Cu 434 : i vi ankan, theo chiu tng s nguyn t cacbon trong phn t th

A.nhit si tng dn, khi lng ring gim dn.B.nhit si gim dn, khi lng ring tng dnC.nhit si v khi lng ring u tng dn.D.nhit si v khi lng ring u gim dn.


A.Cc ankan u nh hn nc.B.Ankan l nhng dung mi c cc.C.Ankan l nhng cht c mu.D.Ankan tan c trong nc.

Cu 436 : Ch ra ni dung sai:A.Ankan l nhng cht a nc.B.Ankan ho tan c nhiu cht khng phn cc.C.Ankan l nhng cht a bm dnh vo qun, o, lng, da.D.Nhng ankan lng c th thm c qua da v mng t bo.

Cu 437 : Ankan cn c tn l parafin, ngha l :

A.sinh ra t du m.


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B.tr v mt ho hc.C.t i lc ho hc.D.khng tan trong nc.

Cu 438 : Clorofom l :

A.CH3ClB.CCl4C.CHCl3D.CH2Cl2

Cu 439 : Ch ra ni dung sai, khi ni v phn ng halogen ho ankan :A.Clo th cho H cacbon cc bc khc nhau.B.Brom hu nhch th cho H cacbon bc thp.C.Flo phn ng mnh lit nn phn hu ankan thnh C v HF.D.Iot qu yu nn khng phn ng vi ankan.

Cu 440 : Khi t chy hon ton mt ankan bt k th to ra

A.s mol H2O ln hn s mol CO2.B.s mol CO2ln hn s mol H2O.C.s mol CO2 bng s mol H2O.D.s mol CO2 ln hn hay nh hn s mol H2O ph thuc vo tng ankan c th.

Cu 441 : Khi nung natri axetat vi vi ti xt, to ra kh

A.axetilen.B.etan.C.metan.D.etilen.

Cu 442 : Ch ra ni dung saikhi ni v phn t xiclohexan :A.Su nguyn t cacbon nm trn mt mt phng.B.Khng tham gia phn ng cng m vng vi nc brom.C.Tham gia phn ng th vi clo di tc dng ca nh sng.D.Nguyn t cacbon trng thi lai ho sp3.

Cu 443 : C bao nhiu ng phn xicloankan c cng cng thc phn t C6H12 ?

A.1B.3C.4D.5Cu 444 : Xicloankan no sau y c th lm mt mu nc brom iu kin thng ?A.Xiclobutan.B.Xiclopropan.C.Xiclopentan.D.C A, B v C.

Cu 445 : Xicloankan no sau y khi tham gia phn ng cng vi hiro (xc tc Ni, t0) cho 1sn phm duy nht ?

A.Xiclopropan.


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B.Metylxiclopropan.C.Xiclobutan.D.Xiclopentan.


A.Xicloankan l nhng hirocacbon mch vng.B.

Xicloankan l hirocacbon c cng thc chung CnH2n (n 3).

C.Xicloankan l hirocacbon c 1 vng hoc nhiu vng.D.Trong phn t xicloankan cc nguyn t cacbon cng nm trn mt mt phng.

Cu 447 : Cht sau : c tn gi

A.Xiclohexan.B.1, 1, 2-trimetylxiclopropan.C.1, 2, 2-trimetylxiclopropan.D.1, 2-imetylmetylxiclopropan.

Cu 448 : Cho cc xicloankan :

C bao nhiu cht tham gia phn ng cng vi hiro (xc tc Ni, t0) ?

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

Cu 449 : Cc xicloankan u :

A.khng lm mt mu nc brom.B.khng tham gia phn ng th bi halogen.C.khng lm mt mu dung dch KMnO4.D.khng tan trong nc v trong dung mi hu c, nhng li l dung mi tt.


A.T xiclohexan c th iu ch c benzen, cn t benzen khng iu ch cxiclohexan.

B.T benzen iu ch c xiclohexan, cn t xiclohexan khng iu ch c benzen.C.T xiclohexan iu ch c benzen v ngc li.D.Khng iu ch c benzen t xiclohexan v ngc li.


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Chng 6Hirocacbon khng no

Cu 451 : Trong phn t anken, hai nguyn t cacbon mang ni i trng thi

A.lai ho sp.B.lai ho sp2.C.lai ho sp3.D.khng lai ho.

Cu 452 : Hai nhm nguyn t lin kt vi nhau bi lin kt i C = C khng quay t do c

quanh trc lin kt, do b cn tr bi

A.lin kt n.B.lin kt i.C.lin kt .D.lin kt .

Cu 453 : phn t etilen :

A.hai nguyn t C v hai nguyn t H v trtrans vi nhau nm trn mt mt phng,hai nguyn t H cn li nm trn mt phng khc.

B.hai nguyn t C v hai nguyn t H v trcis vi nhau nm trn mt mt phng, hainguyn t H cn li nm trn mt mt phng khc.

C.hai nguyn t C v bn nguyn t H u cng nm trn mt mt phng.D.hai nguyn t C nm trn mt mt phng, cn bn nguyn t H li nm trn mt mt

phng khc.

Cu 454 : C bao nhiu ng phn anken cng c cng thc phn t C5H10 ?A.2B.3C.5D.6

Cu 455 : Anken sau y c ng phn hnh hc :

A.pent-1-en.B.pent-2-en.C.2-metylbut-2-en.D.3-metylbut-1-en.

Cu 456. Hirocacbon c cng thc phn t C4H8 c s ng phn l :

A.3B.4C.5D.6

Cu 457.S ng phn anken c cng thc phn t l C5H10 m c ni i C = C gia mch l :


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

Cu 458.Ch ra ni dung sai:

A.Cc anken u nh hn nc.B.Anken v du m ho tan tt ln nhau.C.Anken l nhng cht c mu.D.Lin kt i C = C l trung tm phn ng gy ra nhng phn ng c trng cho anken.

Cu 459.Hirocacbon no c tn lch s l olefin ?

A.Ankan.B.Anken.C.Ankin.D.Aren.

Cu 460. Olefin c tnh cht :

A.Lm mt mu brom trong nc, khng lm mt mu brom trong CCl4.B.Lm mt mu brom trong CCl4, khng lm mt mu brom trong nc.C.Lm mt mu brom trong H2O, cng nhtrong CCl4.D.Khng lm mt mu brom trong H2O, cng nhtrong CCl4.

Cu 461. phn bit kh SO2v kh C2H4, c th dng :

A. dung dch KMnO4.

B. dung dch brom.

C. dung dch brom trong CCl4.

D. c A, B, C u c.Cu 462. Cho eten tc dng vi dung dch kali pemanganat long, ngui, to ra sn phm hu c

l :

A.Etylen glicol.B.Etilen oxit.C.Axit oxalic.D.Anehit oxalic.

Cu 463.Trong cc ho cht hu c do con ngi sn xut ra, ho cht ng hng u v snlng l :

A.Metan.B.Eten.C.Axetilen.D.Benzen.

Cu 464.Cho cc ankaien : anlen, butaien, isopren, penta-1,4-ien. C bao nhiu ankaien

lin hp ?

A.1B.2


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C.3D.4

Cu 465.Ch ra ni dung saikhi ni v phn t butaien :

A.Bn nguyn t cacbon u trng thi lai ho sp2.B.C mi nguyn t u nm trn cng mt mt phng.C. mi nguyn t cacbon cn 1 obitan p c trc vung gc vi mt phng phn t.D.Cc obitan p cn li xen ph vi nhau tng i mt to thnh 2 lin kt ring l.

Cu 466.Phn ng cng halogen v hiro halogenua ca butaien v isopren c c im :

A. nhit thp th u tin to thnh sn phm cng 1,2 ; nhit cao th u tin tora sn phm cng 1,4.

B. nhit thp th u tin to thnh sn phm cng 1,4 ; nhit cao th u tin tothnh sn phm cng 1,2.

C.Lun c sn phm chnh l sn phm cng 1,2.D.Lun c sn phm chnh l sn phm cng 1,4.

Cu 467.Khi c mt cht xc tc, nhit v p sut thch hp, butaien v isopren tham gia

phn ng trng hp ch yu theo kiu cng :

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


A.Tecpen l nhm cc hirocacbon khng no.B.Tecpen c cng thc chung l (C5H10)n.C.Tecpen c nhiu trong tinh du tho mc.D.Phn t tecpen c cu to mch h hoc mch vng v c cha cc lin kt i C =C.

Cu 469.Trong tinh du hoa hng c

A.geraniol.B.xitronelol.C.mentol.D.limonen.

Cu 470.Trong tinh du bc h c :

A.geraniol v xitronelol.B.caroten v licopen.C.mentol v menton.D.oximen v limonen.

Cu 471.Trong phn ng cng hiro vo ankin ( nhit thch hp) :

A.dng xc tc Ni to ra ankan, dng xc tc Pd/PbCO3 to ra anken.B.dng xc tc Ni to ra anken, dng xc tc Pd/PbCO3 to ra ankan.


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Chng 7Hirocacbon thmNgun hirocacbon thin nhin

Cu 476.Trong phn t benzen, su obitan p ca 6 nguyn t cacbon xen ph bn vi nhau to

thnh

A.h lin hp chung cho c vng.B.3 lin kt ring l.C.3 lin kt lin hp.D.3 lin kt ni tip nhau.

Cu 477.Lin kt benzen

A.tng i bn vng hn so vi lin kt anken, nhng km bn hn so vi lin kt ankin.

B.tng i bn vng hn so vi lin kt ankin, nhng km bn hn so vi lin kt anken.

C.tng i bn vng hn so vi lin kt anken v c ankin.D.km bn vng hn so vi lin kt anken v c ankin.

Cu 478.Trong phn t benzen :

A.ch 6 nguyn t C nm cng trn mt mt phng.B.ch 6 nguyn t H cng nm trn mt mt phng.C.c 6 nguyn t C v 6 nguyn t H cng nm trn mt mt phng.D.su nguyn t C nm trn mt mt phng, cn 6 nguyn t H cng nm trn mt mt

phng khc.

Cu 479.C bao nhiu aren c cng thc phn t C8H10 ?

A.1B.3C.4D.5Cu 480.Ch ra ni dung sai:

Benzen v ankylbenzen l nhng cht

A.khng mu.B.hu nhkhng tan trong nc.C.khng mi.D.khng phn ng vi dung dch brom.

Cu 481.Benzen phn ng c vi :


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A.brom khan.B.dung dch brom.C.dung dch brom khi c Fe xc tc.D.brom khan khi c Fe xc tc.

Cu 482.C th iu ch benzyl bromua t toluen v

A.brom khan trong iu kin c chiu sng.B.dung dch brom trong iu kin c chiu sng.C.brom khan c Fe lm xc tc.D.dung dch brom c Fe lm xc tc.

Cu 483.Trong phn ng nitro ho benzen

A.H2SO4 m c ng vai tr l cht ht nc.B.H2SO4 m c ng vi tr l cht xc tc.C.H2SO4 m c ng vai tr l cht ht nc v l cht xc tc.D.khng cn H2SO4 m c, ch cn HNO3 c, nng.

Cu 484.Tnh cht khng phi tnh thm l :A.Tng i d tham gia phn ng th.B.Kh tham gia phn ng cng.C.C mi thm.D.Tng i bn vng vi cc cht oxi ho.

Cu 485.Cht no khi chy trong khng kh thng to ra nhiu mui than ?

A.Metan.B.Benzen.C.Etilen.D.Axetilen.

Cu 486. C th phn bit 3 cht sau : benzen, stiren, toluen bng dung dch

A.brom trong nc.B.brom trong CCl4.C.kali pemanganat.D.axit nitric c.

Cu 487. Cht hu c no c dng sn xut thuc n TNT ?

A.Benzen.B.Toluen.C.Stiren.D.Xilen.

Cu 488.Stiren khng c kh nng phn ng vi :

A.dung dch brom.B.brom khan c Fe xc tc.C.dung dch AgNO3/NH3.D.dung dch KMnO4.


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B.Crackinh nhit.C.Crackinh xc tc.D.C A, B, C.

Cu 498.u khng phi l phn ng ca qu trnh rifominh ?

A. (CH3)2CHCH2CH(CH3)2

+ H2

B. CH3[CH2]5CH3 CH2 = CH2 + CH3CH2CH2CH2CH3

C. + 3H2

D. CH3[CH2]5CH3 + 4H2

Cu 499.Hirocacbon c ch s octan cao nht l :A.Ankan.B.Xicloankan.C.Anken.D.Aren.

Cu 500.Du m khai thc thm lc a pha nam nc ta c c im :

A.Cha t ankan cao, cha nhiu hp cht ca lu hunh.B.Cha nhiu ankan cao, cha t hp cht ca lu hunh.C.Cha nhiu ankan cao v hp cht ca lu hunh.D.Cha t ankan cao v hp cht ca lu hunh.

t0

xt

xt

t0 CH3CH3[CH2]5 CH3

xtt0

t0

xt

CH3


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Chng 8Dn xut Halogen - Ancol - phenol

Cu 501.Dn xut halogen c dng lm cht gy m l :

A.CHCl3 B.CH3ClC.CF2Cl2 D.CFCl3

Cu 502. Dn xut halogen c tc dng dit su b (trc y c dng nhiu trong nngnghip) l :

A.ClBrCH CF3 B.CH3C6H2(NO2)3C.C6H6Cl6 D.Cl2CH CF2 OCH3Cu 503.Monome dng tng hp PVC l :A.CH2 = CHClB.CCl2 = CCl2C.CH2 = CHCH2ClD.CF2 = CF2

Cu 504.Polime c dng lm lp che ph chng bm dnh cho xoong, cho... l :

A.Poli(vinyl clorua).B.Teflon.C.Thu tinh hu c [poli(metyl metacrylat)].D.Polietilen.

Cu 505.Dn xut halogen b thu phn khi un si vi nc l :

A. CH3CH2CH2Cl

B. CH3CH = CH CH2Cl

C. Cl

D. C A, B, C

Cu 506.Ch ra phn ng sai:

A. CH3CH

2Cl + NaOH

0t CH3CH

2OH + NaCl

B. CH3CH2Br + KOH CH2 = CH2 + KBr + H2O

C. CH3CH2Br + Mgete CH3CH2MgBr

D. CH3CH2Cl + AgNO3 CH3CH2NO3 + AgCl

Cu 507. C bao nhiu ancol c cng cng thc phn t C4H10O ?

A.2B.3

t0

C2H5OH


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C.4D.5

Cu 508. Ch ra cht no l ancol bc hai :

A.3-Metylbutan-1-ol.B.2-Metylbutan-2-ol.C.3-Metylbutan-2-ol.D.2-Metylbutan-1-ol.

Cu 509. iu kin thng, ancol no l cht lng ?

A.Etanol.B.Pentan-1-ol.C.2,6-imetylecan-1-ol.D.C A, B v C.

Cu 510.Trong dung dch ancol etylic c bao nhiu loi lin kt hiro ?

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

Cu 511.Cho cc cht sau : C4H10, isoC5H12, C4H9OH, C3H7OCH3. Cht c nhit si cao

nht l :

A. C4H10

B. isoC5H12

C. C4H9OH

D. C3H7OCH3

Cu 512.Lin kt hiro gy nh hng rt ln n :

A.tnh cht ho hc ca ancol.B.tnh cht vt l ca ancol.C.tc phn ng ho hc.D.kh nng phn ng ho hc.

Cu 513.Cc ancol u dy ng ng ca ancol etylic :

A.u nh hn nc.B.u nng hn nc.C.ch c 3 ancol u dy ng ng nh hn nc, cn cc ancol cn li u nng hn

nc.

D.c t trng bng t trng ca nc nu o cng nhit .Cu 514. Lin kt hiro khng nh hng n

A.nhit si ca ancol.


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B. tan ca ancol trong nc.C.khi lng ring ca ancol.D.kh nng phn ng vi Na.

Cu 515.Lin kt hiro gia cc phn t ancol metylic c biu din nhsau :

A. ... ...

B. .... ....

C. .... .... ...

D. C A, B, C.

Cu 516.Cn 900 l hn hp ca :

A.90 phn khi lng etanol nguyn cht trong 100 phn khi lnghn hp.

B.90 phn th tch etanol nguyn cht trong 100 phn th tch hn hp.C.90 phn khi lng etanol nguyn cht v 100 phn khi lng nc nguyn cht.D.90 th tch etanol nguyn cht v 100 th tch nc nguyn cht.


A.Nhng ancol m phn t c t 1 n 12 nguyn t cacbon u th lng.

B.Cc ancol trong dy ng ng ca ancol etylic u nng hn nc.C.Ancol metylic, ancol etylic v ancol propylic tan v hn trong nc.D.Mt s ancol lng l dung mi tt cho nhiu cht hu c.

Cu 518.Trong cn 960 :

A.ancol l dung mi, nc l cht tan.B.ancol l cht tan, nc l dung mi.C.ancol v nc u l dung mi.D.ancol v nc u l cht tan.

Cu 519.Bn cht ca lin kt hiro (trong nc, trong ancol, axit cacboxylic) :

A.L s ht tnh in gia nguyn t H tch in dng v nguyn t O tch in m.B.L s ht tnh in gia cation H+ v anion O2.

H

C OH

H

HH

C OH

H H

H

H

C O

H H

H

C O

H

H

H

H

O H

CH H H

O H

CH H


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C.But-3-en.D.But-4-en.

Cu 527.Trong sn phm ca phn ng tch H2O ca butan-2-ol c th c bao nhiu anken ?

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

Cu 528.Ancol no m ch mt lng nh vo c th cng c th gy ra m lo, lng ln cth gy t vong ?

A.CH3OHB.C2H5OHC.CH3CH2CH2OHD.CH3 CH CH3

OHCu 529.C bao nhiu cht ng vi cng thc phn t C4H10O ?

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

Cu 530.un nng mt hn hp gm 2 ancol no, n chc vi H2SO4 c 1400C c th thu

c bao nhiu ete ?

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

Cu 531.Khi un nng ancol etylic vi H2SO4 c 1700C, ch yu xy ra

phn ng :

C2H5OH CH2 = CH2 + H2O

Ngoi ra cn xy ra cc phn ng ph :

2C2H5OH C2H5OC2H5 + H2O

C2H5OH + 6H2SO4 2CO2 + 6SO2 + 9H2O

C th chng minh trong sn phm kh sinh ra c CH2 = CH2 bng cch sc hn hp

kh vo :

A.dung dch brom trong nc.B.dung dch brom trong CCl4.C.dung dch thuc tm.


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D.C A, B, C u c.Cu 532.t chy hon ton m gam mt ancol A thu c 5,28g CO2 v 2,7g H2O. C th kt

lun A l ancol :

A.no.B.khng no.C.n chc.D.a chc.

Cu 533.Cho s chuyn ho :

A B

Vy A l :

A.Pent-3-en.B.Xiclopentan.C.2-Metyl-1-en.D.Pent-1-en.

Cu 534.Cho Na tc dng vi 1,06g hn hp 2 ancol ng ng lin tip ca ancol etylic thy

thot ra 224ml kh hiro (ktc). Cng thc phn t ca 2 ancol l:

A.CH3OH v C2H5OH.B.C2H5OH v C3H7OH.C.C3H7OH v C4H9OH.D.C4H9OH v C5H11OH.

Cu 535.un nng hn hp gm 2 ancol no n chc vi H2SO4 c 1400C thu c 21,6g

n

c v 72g hn hp 3 ete c s mol bng nhau (phn ng c hiu sut 100%). Cngthc phn t ca 2 ancol l :

A.CH4O v C2H6O.B.CH4O v C3H8O.C.C2H6O v C3H8O.D.C3H8O v C4H10O.

Cu 536.Hp cht no sau y thuc loi phenol ?

A.

B. HO CH3

C.

D. C A, B, C.

HBr +NaOH

toH2SO4 c

to

C2H5 OH

CH3

OH


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Cu 537.Ancol thm l :

A. CH3

OH

B. HO CH3

C. CH2OH

D. C A, B, C.

Cu 538.Trong s cc cht : benzen, toluen, phenol, anilin, cht iu kin thng c trng thi

tn ti khc vi ba cht cn li l :

A.Benzen.B.Toluen.C.Phenol.D.Anilin.

Cu 539.Cht gy bng nng khi ri vo da l :

A.Benzen.B.Toluen.C.Phenol.D.Anilin.

Cu 540. iu kin thng, phenol l :

A.Cht lng khng mu.B.Cht lng mu hng.C.Tinh th mu hng.D.Tinh th khng mu.

Cu 541.Khi lu ngoi khng kh, phenol c mu :

A.en.B.nu.C.vng.D.hng.

Cu 542.Khi phenol trong khng kh mt thi gian, c hin tng :

A.bc khi.B.chy ra.C.ln hoa.D.pht quang.

Cu 543.Axit phenic l :

A.

B. OH

COOH


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C. HOOC OH

D.

Cu 544.Axit picric l :

A. Br COOH B.

C. D.

Cu 545.Trong phng th nghim, ngi ta thng thy phenol c mu hng, do

A. l mu bn cht ca phenol.B.di tc dng ca nh sng n bin i thnh cht c mu hng.C.b oxi ho mt phn bi oxi khng kh nn c mu hng.D.tc dng vi kh cacbonic v hi nc to ra cht c mu hng.

Cu 546.Khi thi kh cacbonic vo dung dch natri phenolat, to ra phenol v

A.axit cacbonic.B.natri hiroxit.C.natri hirocacbonat.D.natri cacbonat.

Cu 547.Hin tng xy ra khi thi kh cacbonic v dung dch natri phenolat :

A.To ra dung dch ng nht.B.To ra cht lng khng tan v ni ln trn.C.To ra cht lng khng tan v chm xung y.D.To ra dung dch b vn c.

Cu 548.Dy cht no c sp xp theo chiu tnh axit tng dn ?

A. 3HCO , H2CO3, C2H5OH, OH.

B. C2H5OH, OH,3HCO , H2CO3.

C. C2H5OH, 3HCO , OH, H2CO3.

D. C2H5OH, 3HCO , H2CO3, OH.

O2N

OH

NO2

NO2

O2N

OH

NO2

NO2

O2N

NH2

1000 bai hoa hoc cuc hay

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