半反应 |
Eo (V) |
F2(g) + 2 e- |
|
2 F- |
2.87
|
Co3+ + e- |
|
Co2+ |
1.82
|
Au3+ + 3e- |
|
Au(s) |
1.50
|
Cl2 (g) + 2 e- |
|
2 Cl- |
1.36
|
O2 (g) + 4 H+ + 4 e- |
|
2 H2O(l) |
1.23
|
Br2(l) + 2 e- |
|
2 Br- |
1.07
|
2 Hg2+ + 2 e- |
|
Hg22+ |
0.92
|
Ag+ + e- |
|
Ag(s) |
0.80
|
Hg22+ + 2 e- |
|
2 Hg (l) |
0.79
|
Fe3+ + e- |
|
Fe2+ |
0.77
|
I2(s) + 2 e- |
|
2 I- |
0.53
|
Cu+ + e- |
|
Cu(s) |
0.52
|
Cu2++ 2 e- |
|
Cu(s) |
0.34
|
Cu2++ e- |
|
Cu+ |
0.15
|
Sn4+ + 2 e- |
|
Sn2+ |
0.15
|
S(s) + 2 H+ + 2 e- |
|
H2S(g) |
0.15
|
2 H+ + 2 e- |
|
H2(g) |
0.00
|
Pb2+ + 2 e- |
|
Pb(s) |
-0.13
|
Sn2+ + 2 e- |
|
Sn(s) |
-0.14
|
Ni2+ + 2 e- |
|
Ni(s) |
-0.25
|
Co2+ + 2 e- |
|
Co(s) |
-0.28
|
Tl+ + e- |
|
Tl(s) |
-0.34
|
Cd2+ + 2 e- |
|
Cd(s) |
-0.40
|
Cr3+ + e- |
|
Cr2+ |
-0.41
|
Fe2+ + 2 e- |
|
Fe(s) |
-0.44
|
Cr3+ + 3 e- |
|
Cr(s) |
-0.74
|
Zn2+ + 2 e- |
|
Zn(s) |
-0.76
|
Mn2+ + 2 e- |
|
Mn(s) |
-1.18
|
Al3+ + 3 e- |
|
Al(s) |
-1.66
|
Be2+ + 2 e- |
|
Be(s) |
-1.70
|
Mg2+ + 2 e- |
|
Mg(s) |
-2.37
|
Na+ + e- |
|
Na(s) |
-2.71
|
Ca2+ + 2 e- |
|
Ca(s) |
-2.87
|
Sr2+ + 2 e- |
|
Sr(s) |
-2.89
|
Ba2+ + 2 e- |
|
Ba(s) |
-2.90
|
Rb+ + e- |
|
Rb(s) |
-2.92
|
K+ + e- |
|
K(s) |
-2.92
|
Cs+ + e- |
|
Cs(s) |
-2.92
|
Li+ + e- |
|
Li(s) |
-3.05
|