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  • 7/22/2019 On Tap Chuong Dien Li

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    Trng THPT Hn t Bi tp chng S IN LIBI TP CHNG I: S IN LI

    Cu 1: Cht khi tan trong nc to thnh dung dch dn in lA. NaCl B. Saccaroz. C. C2H5OH D. C3H5(OH)3

    Cu 2: Trong s cc cht sau: H2S, SO2, Cl2, H2SO3, NaHCO3, C6H12O6, Ca(OH)2, HF, NaClO, C6H6. S cht in li lA. 7 B. 8 C. 9 D.6

    Cu 3: Cho cc cht sau: K3PO4, H2SO4, HClO, HNO2, NH4Cl, HgCl2, Sn(OH)2. Cc cht in li yu l:A. HClO, HNO2, HgCl2, Sn(OH)2. B. HClO, HNO2, K3PO4, H2SO4.

    C. HgCl2, Sn(OH)2, NH4Cl, HNO2. D. HgCl2, Sn(OH)2, HNO2, H2SO4.Cu 4: Dy gm nhng cht in li mnh l

    A. KOH, HCN, Ca(NO3)2. B. CH3COONa, HCl, NaOH. C. NaCl, H2S, CH3COONa. D. H2SO4, Na2SO4, H3PO4Cu 5 Dy gm cc cht in ly yu l

    A. CH3COONa, HBr, HCN. B. HClO, NaCl, CH3COONa. C. HBrO, HCN, Mg(OH)2. D. H2S, HClO4, HCN.Cu 6: Trng hp no sau y khng dn in c:

    A. KCl rn, khan. B. Nc sng, h, ao. C. Nc bin. D. dd KCl trong nc.Cu 7: Trong mt cc nc cha a mol Ca2+, b mol Mg2+, c mol Cl, v d mol HCO3. Lp biu thc lin h gia a, b, c, d

    A. a + b = c + d B. 2a + 2b = c + d C. 40a + 24b = 35,5c + 61d D. 2a + 2b = -c - dCu 8: Dung dch X c cha: a mol Ca2+, b mol Mg2+, c mol Cl v d mol NO3,. Biu thc no sau y ng?

    A. 2a 2b = c + d B. 2a + 2b = c + d C. 2a + 2b = c d D. a + b = 2c + 2dCu 10: Trong mt dung dch c cha 0,01 mol Ca2+, 0,01 mol Mg2+, 0,03 mol Cl- v x mol NO3-Vy gi tr ca x l

    A. 0,05 mol. B. 0,04 mol. C. 0,03 mol. D. 0,01 mol.Cu 11: Khi lng cht rn khan c trong dung dch cha 0,01 mol Na+, 0,02 mol Mg2+, 0,03 mol Cl- v a mol SO42- l

    A. 2,735 gam. B. 3,695 gam. C. 2,375 gam. D. 3,965 gam.

    Cu 12: Mt dung dch cha 2 cation Fe2+( 0,1 mol) v Al3+ ( 0,2 mol) v 2 anion Cl ( x mol) v SO 24

    ( y mol ). Bit

    rng khi c cn dung dch thu c 46,9g cht rn khan. x v y c gi tr ln lt l :A. 0,2 v 0,3 B. 0,15 v 0,3 C. 0,2 v 0,35 D. 0,3 v 0,4

    Cu 13: Mt dung dch cha 0,20 mol Cu2+; 0,30 mol K+; a mol Cl- v b mol SO42-. Tng khi lng mui tan c trongdung dch l 54,35 gam. Gi tr ca a v b ln lt l

    A. 0,30 v 0,20. B. 0,10 v 0,30. C. 0,20 v 0,50. D. 0,50 v 0,10.Cu 14: Cho cc ion v cht c nh s th t nh sau:

    1. HCO3 2. K2CO3 3. H2O 4. Cu(OH)2 5. HPO42 6. Al2O3 7. NH4Cl.Theo Bronstet, cc cht v ion lng tnh l:

    A. 1,2,3 B. 4,5,6 C. 1,3,5,6 D. 2,4,6,7Cu 15: Dy gm nhng cht hiroxit lng tnh l

    A. Ca(OH)2, Pb(OH)2, Zn(OH)2 B. Ba(OH)2, Al(OH)3, Sn(OH)2C. Zn(OH)2, Al(OH)3, Sn(OH)2 D. Fe(OH)3, Mg(OH)2, Zn(OH)2

    Cu 16: Trong s cc dung dch: Na2CO3, KCl, CH3COONa, NH4Cl, NaHSO4, C6H5ONa, nhng dung dch c pH > 7 lA.Na2CO3, C6H5ONa, CH3COONa. B.Na2CO3, NH4Cl, KCl.

    C. KCl, C6H5ONa, CH3COONa. D.NH4Cl, CH3COONa, NaHSO4.Cu 17: Trong cc cp cht sau y, cp cht no cng tn ti trong dung dch?

    A. HCl v NaHCO3. B. K 2SO4 v MgCl2. C. NaCl v AgNO3. D. NaOH v FeCl2.Cu 18: Cc ion no sau y c th tn ti trong cng mt dung dch:

    A. Na+, Ca2+, CO32-, NO3-. B. K+, Ag+, OH-, NO3-.C. Mg2+, Ba2+, NO3-, Cl-. D. NH4+, Na+, OH-, HCO3-.

    Cu 19: Cc tp hp ion no sau y khng tn ti trong mt dung dch ?A. Cu2+, Cl-, Na+, OH-, NO3-. B. Fe2+, K+, NO3-, OH-, NH4+.C. NH4+, CO32-, HCO3-, OH-, Al3+. D. Na+, Ca2+, Fe2+, NO3-, Cl-.

    Cu 20: Cho cc dung dch: HCl, Na2SO4, KOH, NaHCO3. S cht tc dng c vi dung dch Ba(OH)2 l

    A. 2 B. 1 C. 3 D. 4Cu 21: Phn ng ha hc sau: 2HNO3 + Ba(OH)2 Ba(NO3)2 + 2H2O c phng trnh ion rt gn l

    A. H3O+ + OH- 2H2O. B. 2H+ + Ba(OH)2 Ba2+ + 2H2O.

    C. H+ + OH- 2H2O. D. 2HNO3 + Ba2+ + 2OH- Ba(NO3)2 + 2H2O.

    Cu 22: Phng trnh: S2- + 2H+ H2S l phng trnh ion rt gn ca phn ng

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    Trng THPT Hn t Bi tp chng S IN LIA. FeS + 2HCl FeCl2 + H2S. B. 2NaHSO4 + 2Na2S 2Na2SO4 + H2S.

    C. 2HCl + K2S 2KCl + H2S. D. BaS + H2SO4 BaSO4 + H2S.

    Cu 23: Cho cc cp cht sau: (I) Na 2CO3 v BaCl2; (II) (NH4)2CO3 v Ba(NO3)2; (III) Ba(HCO3)2 v K2CO3; (IV) BaCl2v MgCO3. Nhng cp cht khi phn ng c cng phng trnh ion rt gn l

    A. (I), (II), (III). B. (I). C. (I), (II). D. (I), (II), (III), (IV).Cu 24: Cho cc cp cht sau: (1) K2CO3 v BaCl2; (2) Ba(HCO3)2 v Na2CO3; (3) (NH4)2CO3 v Ba(NO3)2; (4) Ba(NO3)2v CaCO3. Nhng cp cht khi phn ng c cng phng trnh ion rt gn l

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

    Cu 25: Dung dch H2SO4 0,10M cA.pH = 1 B.pH < 1 C.pH > 1 D. [H+] > 2,0M

    Cu 26: Ho tan 6,72 lt kh HCl (ktc) vo nc c 30l dung dch HCl. pH ca dung dch HCl thu c lA. 0,3 B. 3 C. 2 D. 1

    Cu 27: Ha tan 5,85gam NaCl vo nc c 0,5 lt dung dch NaCl. Dung dch ny c nng mol l:A. 1M B. 0,2M C. 0,4M D. 0,5M

    Cu 28: Tnh nng mol/l ca cc ion c trong hn hp dung dch c to t 200ml dung dch NaCl 1M v 300mldung dch CaCl2 0,3M

    A. [Na+] = 1M, [Ca2+] = 0,3M, [Cl] = 1,6M B. [Na+] = 1M, [Ca2+] = 0,3M, [Cl] = 1,15MC. [Na+] = 0,4M, [Ca2+] = 0,18M, [Cl] = 0,76M D. [Na+] = 0,4M, [Ca2+] = 0,18M, [Cl] = 0,49M

    Cu 29: Dung dch CH3COOH 0,1M cA. pH > 1 B. pH < 1 C. pH = 1 D. pH = 7.

    Cu 30: Trn 100ml dung dch Ba(NO3)2 0,05M vo 100ml dung dch HNO 3 0,1M. Nng ion NO3- trong dung dchthu c l

    A. 0,2M B. 0,1M C. 0,15M D. 0,05M

    Cu 31: Phng trnh ion rt gn Cu2+ + 2OH- Cu(OH)2 tng ng vi phn ng no sau y?

    A. Cu(NO3)2 + Ba(OH)2 B. CuSO4 + Ba(OH)2

    C. CuCO3 + KOH D. CuS + H2S

    Cu 32: Phng trnh phn ng Ba(H2PO4)2 + H2SO4 BaSO4 $ + 2H3PO4 tng ng vi phng trnh ion gn nosau y?

    A. Ba2+ + 2H2PO4- + 2H+ + SO42- BaSO4$ + 2H3PO4

    B. Ba2+ + SO42- BaSO4$C. H2PO4- + H+ H3PO4

    D. Ba2+ + SO42- + 3H+ + PO43- BaSO4$ + H3PO4Cu 33: Cc cp cht no sau y c th tn ti trong mt dung dch ?

    A. CH3COOK v BaCl2. B. CaF2 v H2SO4.C. Fe2(SO4)3 v KOH. D. CaCl2 v Na2SO4.

    Cu 34: tinh ch dung dch KCl c ln ZnCl2 ta c th dng cht no di y ?A. Cho lng KOH va . B. Cho KOH d.

    C. Cho NaOH va . D.Cho NaOH d.Cu 35: C 3 dung dch khng mu sau Ba(OH)2, BaCl2, K2S ch dng mt thuc th no sau y nhn bit ?

    A. Pb(NO3)2. B. Na2SO4. C. K2CO3. D. Phenolphtalein.

    Cu 36: Cc tp hp ion sau y c th tn ti ng thi trong cng mt dung dchA. Na+; Ca2+; Fe2+; NO3-; Cl- B. Na+, Cu2+; Cl-; OH-; NO3-

    C. Na+; Al3+; CO32-; HCO3-; OH- D. Fe2+; Mg2+; OH-; Zn2+; NO3-

    Cu 37: Cho phng trnh phn ng FeSO4 + ? Na2SO4 + ?. Cc cht thch hp ln lt lA. NaOH v Fe(OH)2 B. NaOH v Fe(OH)3 C. KOH v Fe(OH)3 D. KOH v Fe(OH)2

    Cu 38: Theo Bronsted nhng cht no sau y c tnh axit ?

    A. HSO4-

    , NH4Cl, Al

    3+

    . B. Cu(OH)2, AlO2-

    , Na2CO3.C. Na2SO4. D. HCO3-, H2O, Al2O3, ZnO, Be(OH)2, CH3COONH4.Cu 39: Theo Bronsted nhng cht no sau y c tnh baz ?

    A. HSO4-, NH4Cl, Al3+. B. Cu(OH)2, AlO2-, Na2CO3.C. Na2SO4. D. HCO3-, H2O, Al2O3, ZnO, Be(OH)2, CH3COONH4.

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    Trng THPT Hn t Bi tp chng S IN LICu 40: Theo Areniut hiroxit no sau y c tnh lng tnh ?

    A. Zn(OH)2. B. Pb(OH)2. C. Al(OH)3. D. Tt c.Cu 41: Dy cht no di y va tc dng vi dung dch HCl va tc dng vi dung dch NaOH ?

    A. Pb(OH)2, ZnO, Fe2O3. B. Al(OH)3, Al2O3, Na2CO3.C. Na2SO4, HNO3, Al2O3. D. Na2HPO4, ZnO, Zn(OH)2.

    Cu 42: Cho cc dung dch c nh s th t nh sau:1. KCl. 2. Na2CO3. 3. CuSO4. 4. CH3COONa. 5. Al2(SO4)3 6. NH4Cl. 7.NaBr. 8. K2S.

    Chn phng n trong dung dch c pH < 7 ?

    A. 1, 2, 3. B. 3, 5, 6. C. 6, 7, 8. D. 2, 4, 6.Cu 43: Cho cc ion v cht c nh s th t nh sau :1. HCO3-. 2. K 2CO3. 3. H2O. 4. Cu(OH)2. 5. HPO42-. 6. Al2O3. 7. NH4Cl. 8. HCO3-

    Theo Bronsted, cc cht v ion lng tnh l :A. 1, 2, 3. B. 4, 5,6. C. 1, 3, 5, 6, 8. D. 2, 4, 6,7.

    Cu 44: Trong cc dung dch sau y : K2CO3, KCl, CH3COONa, NH4Cl, NaHSO4, Na2S. S dung dch c pH > 7 ?A. 1. B. 2. C. 3. D. 4.

    Cu 45: Theo nh ngha v axit - baz ca Bronsted th c bao nhiu ion l baz trong s cc ion sau y: Ba 2+, Br-,NO3-, C6H5O-, NH4+, CH3COO-, SO42- ?

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

    Cu 46: Trong cc cp cht no sau y, cp cht no cng tn ti trong dung dch ?A. AlCl3 v Na2CO3. B. HNO3 v NaHCO3. C. NaAlO2 v KOH. D. NaCl v AgNO3.

    Cu 47: C bn l ng bn dung dch mt nhn l : AlCl3, NaNO3, K2CO3, NH4NO3. Ch dng mt cht nodi y nhn bit 4 dung dch trn ?

    A. Dung dch NaOH. B. Dung dch H2SO4. C. Dung dch Ba(OH)2. D. Dung dch AgNO3.Cu 48: Cc cht no trong dy cht no sau y va tc dng vi dung dch kim mnh va tc dng vi dung dch axitmnh ?

    A. Al(OH)3, (NH2)2CO, NH4Cl. B. NaHCO3, Zn(OH)2, CH3COONH4.C. Ba(OH)2, AlCl3, ZnO. D. Mg(HCO3)2, FeO, KOH.

    Cu 49: Phng trnh ion rt gn H+ + OH- H2O biu din bn cht ca phn ng ho hc no di y ?

    A. HCl + NaOH H2O + NaCl. B. NaOH + NaHCO3 H2O + Na2CO3.C. H2SO4 + BaCl2 2HCl + BaSO4. D. Cu A v B ng.Cu 50: Dy cht no di y u l cht in li mnh ?

    A. HCl, NaOH, NaCl. B. HCl, NaOH, CH3COOH. C. KOH, NaCl, HgCl2. D. NaNO3, NaNO2, HNO2.Cu 51: Trn ln 50 ml dd HCl 0,12M vi 50 ml dd NaOH 0,1M .Vy pH ca dd thu c bng bao nhiu?

    A. 2 B. 4 C. 3 D. 1Cu 52: Trn 200 ml dung dch H2SO4 0,05M vi 300 ml dung dch NaOH 0,06M. pH ca dung dch to thnh l ( CoiH2SO4 in li hon ton c 2 nc )

    A. 2,4. B. 1,9. C. 1,6. D. 2,7.Cu 53: Trn 150 ml dung dch hn hp cha Na2CO3 1M v K2CO3 0,5M vi 250 ml dung dch HCl 2M th th tch khCO2 sinh ra ( ktc) l

    A. 3,36 lt. B. 2,52 lt. C. 5,04 lt. D. 5,60 lt.Cu 54: Trn 200 ml dung dch H2SO4 0,05 M vi 300 ml dung dch NaOH 0,06 M.pH ca dung dch thu c l

    A. 2,4 B. 2, 9 C. 4,2 D. 4,3Cu 55: Cho 40 ml dung dch HCl 0,75 M vo 160 ml dung dch cha ng thi Ba(OH) 2 0,08M v KOH 0,04M. pH cadung dch thu c l

    A. 10. B. 12. C. 3. D. 2.Cu 56: Cho 200 ml dung dch AlCl3 1,5M tc dng vi V lt dung dch NaOH 0,5M, lng kt ta thu c l 15,6 gam.Gi tr ln nht ca V l (cho H = 1, O = 16, Al = 27)

    A. 1,2. B. 1,8. C. 2,4. D. 2.Cu 57: Cho V lt dung dch NaOH 2M vo dung dch cha 0,1 mol Al2(SO4)3 v 0,1 mol H2SO4 n khi phn ng

    hon ton, thu c 7,8 gam kt ta. Gi tr ln nht ca V thu c lng kt ta trn lA. 0,35. B. 0,25. C. 0,45. D. 0,05.

    Cu 58: Cho m gam hn hp Mg, Al vo 250 ml dung dch X cha hn hp axit HCl 1M v axit H 2SO4 0,5M, thu c5,32 lt H2 ( ktc) v dung dch Y (coi th tch dung dch khng i). Dung dch Y c pH l

    A. 1 B. 6. C. 7. D. 2.

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    Trng THPT Hn t Bi tp chng S IN LICu 59: Trn 100 ml dung dch (gm Ba(OH)2 0,1M v NaOH 0,1M) vi 400 ml dung dch (gm H2SO4 0,0375M vHCl 0,0125M), thu c dung dch X. Gi tr pH ca dung dch X l

    A. 7. B. 2. C. 1. D. 6.Cu 60: Trn 300 ml dung dch HCl 0,05 mol/l vi 200 ml dung dch Ba(OH)2 a mol/l thu c 500 ml dung dch c

    pH= 12. Gi tr ca a lA. 0,03. B. 0,04. C. 0,05. D. 0,06.

    Cu 61: Cho V lt dung dch NaOH c pH= 13 tc dng vi dung dch cha 0,1 mol AlCl3 thu c 3,9 gam kt ta trngkeo. Gi tr ca V l:

    A. 1,5 lt. B. 3,5 lt. C. 1,5 lt hoc 3,5 lt. D. 1,5 lt hoc 4,5 lt.Cu 62. Trn 40 ml dung dch H2SO4 0,25M vi 60ml dung dch NaOH 0,5M. Gi tr pH ca dung dch thu c sau khitrn l

    A. pH=14. B. pH=13. C. pH=12. D. pH=9.Cu 63. Thm 90 ml nc vo 10 ml dung dch NaOH c pH = 12 th thu c dung dch c pH bng

    A. 13 B. 14 C. 11 D. 10Cu 64. Cho 200ml dung dch NaOH pH = 14 vo 200 ml dung dch H2SO4 0,25M thu c 400ml dung dch A. Tr s

    pH ca dung dch A bngA. 13,4 B. 1,4 C. 13,2 D. 13,6

    A. TM TT L THUYT CHNG I:1.Phng trnh in li:

    NO3-: tan ht( tr: khng c ) CO32-, SO32-, PO43-: khng tantr kim ( Li+, Na+, K+), NH4+

    SO42- : tan ht( tr: Ca2+, Ba2+, Sr2+, Ag+,Pb2+ )

    S2-: khng tantr kim ( Li+, Na+,K+), NH4+, Ca2+, Ba2+

    Cl- : tan ht( tr: Ag+, Pb2+ ) OH -: khng tantr kim ( Li+, Na+, K+), NH4+, Ca2+, Ba2+

    H2PO4 - : tan ht HPO42-: khng tantr tr kim ( Li+, Na+, K+), NH4+

    2.Cht in li mnh v cht in li yu:a. Cht in li mnh:

    Axit mnh: HCl, HNO3, HClO4, H2SO4, HBr, HI, Baz mnh: KOH, NaOH, Ba(OH)2, Mui: Hu ht cc mui (tr HgCl2, Hg(CN)2 ).

    b. Cht in li yu:Axit yu: CH3COOH, HClO, H2S, HF, H2SO3, H2CO3, Baz yu: Mg(OH)2, Al(OH)3, NH3,

    3. Hiroxit lng tnh: A(OH)n : Zn(OH)2, Pb(OH)2, Sn(OH)2, Cu(OH)2, Al(OH)3, Cr(OH)3.

    Al(OH)3 AlO2-

    ( c l aluminat )Zn(OH)2 ZnO22- ( c l zencat )Be(OH)2 BeO22- ( c l berilat )Sn(OH)2 SnO22- ( c l stanit )Pb(OH)2 PbO22- ( c l plombit)Si(OH)4 SiO32- (c l silicat)

    IV. pH CA DUNG DCH:CNG THC MI TRNG

    pH = - lg[H+]pOH = - lg[OH-][H+].[OH-] = 10-14

    pH + pOH = 14

    pH = a [H+] = 10-apOH = b [OH-] = 10-b

    pH < 7 Mi trng axtpH > 7 Mi trng bazpH = 7 Mi trng trung tnh[H+] cng ln Gi tr pH cng b

    [OH-] cng ln Gi tr pH cng ln

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