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 |
SeO32– + 3H2O + 4e = Se + 6OH– |
-0.366 |
As + 3H+ + 3e = AsH3 |
-0.38 |
Se + 2H+ + 2e = H2Se |
-0.40 |
Cd2+ + 2e = Cd |
-0.403 |
Cr3+ + e = Cr2+ |
->0.41 |
Fe2+ + 2e = Fe |
-0.440 |
S + 2e = S2– |
-0.48 |
2CO2 + 2H+ + 2e = H2C2O4 |
-0.49 |
H3PO3 + 2H+ + 2e = H3PO2 + H2O |
-0.50 |
Sb + 3H+ + 3e = SbH3 |
-0.51 |
HPbO2– + H2O + 2e = Pb + 3OH– |
-0.54 |
Ga3+ + 3e = Ga |
-0.56 |
TeO32– + 3H2O + 4e = Te + 6OH– |
-0.57 |
2SO32– + 3H2O + 4e = S2O32– + 6OH– |
-0.58 |
SO32– + 3H2O + 4e = S + 6OH– |
-0.66 |
AsO43– + 2H2O + 2e = AsO2– + 4OH– |
-0.67 |
Ag2S(固) + 2e = 2Ag + S2– |
-0.69 |
Zn2+ + 2e = Zn |
-0.763 |
2H2O + 2e = H2 + 2OH– |
-8.28 |
Cr2+ + 2e = Cr |
-0.91 |
HSnO2– + H2O + 2e = Sn– + 3OH– |
->0.91 |
Se + 2e = Se2– |
-0.92 |
Sn(OH)62– + 2e = HSnO2– + H2O + 3OH– |
-0.93 |
CNO– + H2O + 2e = Cn– + 2OH– |
-0.97 |
Mn2+ + 2e = Mn |
-1.182 |
ZnO22– + 2H2O + 2e = Zn + 4OH– |
-1.216 |
Al3+ + 3e = Al |
-1.66 |
H2AlO3– + H2O + 3e = Al + 4OH– |
-2.35 |
Mg2+ + 2e = Mg |
-2.37 |
Na+ + e = Na |
-2.71 |
Ca2+ + 2e = Ca |
-2.87 |
Sr2+ + 2e = Sr |
-2.89 |
Ba2+ + 2e = Ba |
-2.90 |
K+ + e = K |
-2.925 |
Li+ + e = Li |
-3.042 |