Halfreactie
|
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
|