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ԴԡԴҧóöѺ ҹ ŤŹ ͷ Թ 俿һҧö

ҹ
ԡԴ
1. Anode (Oxidation) Zn --> Zn2+ + 2e-
2. Cathode (Reduction) 2MnO2 + 2NH4 + + 2e- ---> Mn2O3 + H2O + 2NH3
ԡ (Redox) (1) + (2) e-
Zn + 2MnO2 + 2NH4 + ---> Zn2+ + Mn2O3 + H2O + 2NH3
Zn2+ Ѻ NH2 ԴСͺԧ͹ [Zn(NH3)4]2+ [Zn(NH3)2(H2O)]2+] ѡͧ Zn2+ & NH3 Դç͹ҳ 1.5 Volts

ŤŹ ǹСͺѡ͹Ѻҹҧ KOH ŵ᷹ NH4Cl
ԡԴ
1. Anode (Oxidation) Zn + 2OH- --> ZnO + H2O + 2e-
2. Cathode (Reduction) 2MnO2 + H2O + + 2e- ---> Mn2O3 + 2OH-
ԡ (Redox) (1) + (2) e-
Zn + 2MnO2 ---> ZnO + Mn2O3
ŤŹѡҡѺҹ δ͡Ǵ (OH-) Դԡع¹Ѻͧԡա ֧ѡʹҹҹ

ͷ ѡ͹ѺŤŹ (II) ͡䫴 ( HgO) ᷹ҹ (IV) ͡䫴 (MnO2)
ԡԴ
1. Anode (Oxidation) Zn + 2OH- --> ZnO + H2O + 2e-
2. Cathode (Reduction) HgO + H2O + + 2e- ---> Hg + 2OH-
ԡ (Redox) (1) + (2) e-
Zn + HgO ---> ZnO + Hg
ͷѡҳ 1.3 Volts öѡͺʹҹ ѹҡͧѧ§Ѻԡ

Թ ǹСͺºѺͷ ͡Ǵ ( Ag2O) ᷹ (II) ͡䫴 ( HgO)
ԡԴ
1. Anode (Oxidation) Zn + 2OH- --> ZnO + H2O + 2e-
2. Cathode (Reduction) Ag2O + H2O + + 2e- ---> 2Ag + 2OH-
ԡ (Redox) (1) + (2) e-
Zn + Ag2O ---> ZnO + 2Ag
Թѡҳ 1.5 Volts ҴҹҹҡҤᾧ ֧ѺػóͧҧԴ ͧԴŢ ԡ