标准电极电位表
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标准电极电位表
半反应E0（伏）
F2(气) + 2H+ + 2e = 2HF 3.06
O3 + 2H+ + 2e = O2 + 2H2O 2.07
S2O82– + 2e = 2SO42– 2.01
H2O2 + 2H+ + 2e = 2H2O 1.77
MnO4– + 4H+ + 3e = MnO2(固) + 2H2O 1.695
PbO2(固) + SO42– + 4H+ + 2e = PbSO4(固) + 2H2O 1.685 HClO2 + H+ + e = HClO + H2O 1.64
HClO + H+ + e = 1/2 Cl2 + H2O 1.63
Ce4+ + e = Ce3+ 1.61
H5IO6 + H+ + 2e = IO3– + 3H2O 1.60
HBrO + H+ + e = 1/2 Br2 + H2O 1.59
BrO3– + 6H+ + 5e = 1/2 Br2 + 3H2O 1.52
MnO4– + 8H+ + 5e = Mn2+ + 4H2O 1.51
Au(III) + 3e = Au 1.50
HClO + H+ + 2e = Cl– + H2O 1.49
ClO3– + 6H+ + 5e = 1/2 Cl2 + 3H2O 1.47
PbO2(固) + 4H+ + 2e = Pb2+ + 2H2O 1.455
HIO + H+ + e = 1/2 I2 + H2O 1.45
ClO3– + 6H+ + 6e = Cl– + 3H2O 1.45
BrO3– + 6H+ + 6e =Br – + 3H2O 1.44
Au(III) + 2e = Au(I) 1.41
Cl2(气) + 2e = 2Cl 1.3595
ClO4– + 8H+ + 7e = 1/2 Cl2 + 4H2O 1.34
Cr2O72– + 14H+ + 6e =2Cr3+ + 7H2O 1.33
MnO2(固) + 4H+ + 2e = Mn2+ + 2H2O 1.23
O2(气) + 4H+ + 4e = 2H2O 1.229
IO3– + 6H+ + 5e = 1/2 I2 + 3H2O 1.20
ClO4– + 2H+ + 2e = ClO3– + H2O 1.19
Br2(水) + 2e = 2Br – 1.087
NO2 + H+ + e = HNO2 1.07
Br3– + 2e = 3Br – 1.05
HNO2 + H+ + e = NO(气) + H2O 1.00
VO2+ + 2H+ + e = VO2+ + H2O 1.00
HIO + H+ + 2e = I– + H2O 0.99
NO3– + 3H+ + 2e = HNO2 + H2O 0.94
ClO– + H2O + 2e = Cl– + 2OH– 0.89
H2O2 + 2e = 2OH– 0.88
Cu2+ + I– + e = CuI(固) 0.86
Hg2+ + 2e = Hg 0.845
NO3– + 2H+ + e = NO2 + H2O 0.80
Ag+ + e = Ag 0.7995
Hg22+ + 2e = 2Hg 0.793
Fe3+ + e = Fe2+ 0.771
BrO– + H2O + 2e = Br – + 2OH– 0.76
O2(气) + 2H+ + 2e = H2O2 0.682
AsO8– + 2H2O + 3e = As + 4OH– 0.68
2HgCl2 + 2e = Hg2Cl2(固) + 2Cl– 0.63
Hg2SO4(固) + 2e = 2Hg + SO42– 0.6151
MnO4– + 2H2O + 3e = MnO2 + 4OH– 0.588 MnO4– + e = MnO42– 0.564
H3AsO4 + 2H+ + 2e = HAsO2 + 2H2O 0.559
I3– + 2e = 3I– 0.545
I2(固) + 2e = 2I– 0.5345
Mo(VI) + e = Mo(V) 0.53
Cu+ + e = Cu 0.52
4SO2(水) + 4H+ + 6e = S4O62– + 2H2O 0.51 HgCI42– + 2e = Hg + 4Cl– 0.48
2SO2(水) + 2H+ + 4e = S2O32– + H2O 0.40
Fe(CN)63– + e = Fe(CN)64– 0.36
Cu2+ + 2e = Cu 0.337
VO2+ + 2H+ + 2e = V3+ + H2O 0.337
BiO+ + 2H+ + 3e = Bi + H2O 0.32
Hg2CI2(固)+ 2e = 2Hg + 2Cl– 0.2676
HAsO2 + 3H+ + 3e = As + 2H2O 0.248
AgCI(固)+ e = Ag + Cl– 0.2223
SbO+ + 2H+ + 3e = Sb + H2O 0.212
SO42– + 4H+ + 2e = SO2(水) + H2O 0.17
Cu2+ + e = Cu– 0.519
Sn4+ + 2e = Sn2+ 0.154
S + 2H+ + 2e = H2S(气) 0.141
Hg2Br2 + 2e = 2Hg + 2Br – 0.1395
TiO2+ + 2H+ + e = Ti3+ + H2O 0.1
S4O62– + 2e = 2S2O32– 0.08
AgBr(固) + e = Ag + Br – 0.071
2H+ + 2e = H2 0.000
O2 + H2O + 2e = HO2– + OH–－0.067
TiOCl+ + 2H+ + 3Cl– + e = TiCl4– + H2O －0.09 Pb2+ + 2e = Pb －0.126
Sn2+ + 2e = Sn －0.136
AgI(固) + e = Ag + I –－0.152
Ni2+ + 2e = Ni －0.246
H3PO4 + 2H+ + 2e = H3PO3 + H2O －0.276
Co2+ + 2e = Co －0.277
Tl+ + e = Tl －0.3360
In3+ + 3e = In －0.345
PbSO4(固) + 2e = Pb + SO42– 0.3553