1、 1 7 50 70 ( 7 5 35 ) 1 ) A B C C A B D Fe 2e =Fe 2 A B Fe B B Fe B A C Fe Fe 2e =Fe 2 D D 2 ) 1 2 x y A B c(Zn 2 ) C c(H ) D c(SO 2 4 ) Zn Cu A. Cu H 2 Cu B. Zn Zn 2e =Zn 2 c(Zn 2 ) C. H c(H ) D.SO 2 4 C 3 ( ) K2FeO4 Zn KOH A Zn B 2FeO 2 4 10H 6e =Fe2O3 5H2O C D OH A Zn K2FeO4 B.KOH 2FeO 2 4 6e 8H2
2、O=2Fe(OH)3 10OH C. D. OH AD 4 SO2(A B ) A A B A C D B SO2 2e 2H2O=SO 2 4 4H A HSO 3 S2O 2 4 A A B. 2HSO 3 2H 2e =S2O 2 4 2H2O B C. SO2 2H2O 2e =SO 2 4 4H 2HSO 3 2H 2e =S2O 2 4 2H2O H C D.B SO2 2H2O 2e =SO 2 4 4H D B 5 3 CO2 H2O CH4 A B CO2 8e 8H =CH4 2H2O C H D A A B. CO2 8e 8H =CH4 2H2O B C. H Cu H
3、 C D. HCl D D 6 ) a d b c n A a d 2H2O 2e =H2 2OH B b 2Cl 2e =Cl2 C c Fe 2e =Fe 2 D m A a d B b C c D 4 ac db ( ) m m (n ) m B 7 ) 0.1 mol AlCl3 CuCl2 H2SO4 100 mL A O2 0.35 mol B Al(OH)3 C 3.2 g D 0.9 mol Cu 2 2e =Cu,2H 2e =H2 2Cl 2e =Cl2 4OH 4e =2H2O O2 (1) 0.1 mol CuCl2 0.2 mol e 6.4 g 0.1 mol Cl
4、2 C (2) 0.2 mol HCl 0.2 mol e 0.1 mol Cl2 0.1 mol H2 (3) 0.1 mol HCl 0.1 mol e H Cl 0.05 mol Cl2 0.05 mol H2 OH Al 3 Al(OH)3 B 0.5 mol e 0.25 mol Cl2 0.15 mol H2 x mol H2O 0.5x mol O2 x mol H2 0.25 mol 0.5x mol 0.15 mol x mol x=0.2 0.2 mol H2O 0.4 mol 0.9 mol e D 0.25 mol Cl2,0.1 mol O2 A D ( 4 35 )
5、 8 (8 1H2SO4 pH ( ) 2 h 9.6 g 1CuSO4 pH 4.17 /h 0.5 1 1.5 2 5 pH 1.3 2.4 3.0 3.0 (1) _ (2) 1.5 h pH _ 1CuSO4 pH 4.17 _ (3) 2 h _0.15 mol( (4) 1H2SO4 _ _ Cu 2e =Cu 2 2H 2e =H2 Cu 2 H Cu 2 2e =Cu 9.6 g/2=4.8 g 0.15 mol H2 0.15 mol H2S H2S CuSO4= H2SO4 (1)2H 2e =H2 (2) H Cu 2e =Cu 2 Cu 2 2e =Cu pH Cu 2
6、 2H2 2 2H (3) (4) 0.05 mol H2S 9 (9 ) (1) Ag2O Ag2O CuCl _ (2) 6 _( Cl Cu2(OH)3Cl _ _ 4.29 g Cu2(OH)3Cl _L( ) (1) Ag2O 2CuCl=2AgCl Cu2O c Cu 2e =Cu 2 O2 2H2O 4e =4OH OH Cu 2 Cl Cu2(OH)3Cl 2Cu 2 3OH Cl =Cu2(OH)3 2(OH)3Cl 0.02 mol Cu Cu 0.04 mol 0.08 mol O2 0.02 mol 0.448 L( ) (1)Ag2O 2CuCl=2AgCl Cu2O
7、 2 3OH Cl =Cu2(OH)3 10 (9 ) Zn HgO=ZnO Hg (1) _ (2) 2 _ (3) _ _ 7 (LiFePO4) (4) _ X _ (5) LiH2PO4 LiFePO4 _ 1 mol _ (6) LiFePO4 _ HgO Hg HgO H2O 2e =Hg 2OH (2) HgS Hg 2 S 2 = (3) HgS HgS X NH3 (5) LiH2PO4 Fe2O3 C LiFePO4 Fe C CO 2LiH2PO4 Fe2O3 C=2LiFePO4 2H2O 1 mol 1 mol 23 (6) Fe Fe O H2O 2e =Hg 2O
8、H (2)Hg 2 S 2 = (3) HgS HgS NH3 (5)2LiH2PO4 Fe2O3 C=2LiFePO4 2H2O 6. 23(6)Fe 11 (9 ) Pb PbO2 2H2SO4 2PbSO4 2H2O ( ) 0.4 mol 8 11.2 g (1)A _ _ _( (2)Ag _ _g (3)Cu _ CuSO4 _( (4) ( x) x _ a U b U c U A B Ag 2H 2e =H2 Fe Fe 2e =Fe 2 U Fe 2H =Fe 2 H2 U Zn Cu 2 2e =Cu Cu 2e =Cu 2 CuSO4 (1) PbO2 4H SO 2 4 2e =PbSO4 2H2O (2)2H 2e =H2 0.4 (3)Cu 2e =Cu 2 (4)b
