|
|
|
Potenciales
estándar de reducción
|
Semi-reacción |
|
|
Li+ + e- |
-3.04 |
|
K+ + e- |
-2.92 |
|
Ba2+ + 2e- |
-2.90 |
|
Ca2+ + 2e- |
-2.87 |
|
Na+ + e- |
-2.71 |
|
Mg2+ + 2e- |
-2.37 |
|
Al3+ + 3e- |
-1.66 |
|
Mn2+ + 2e- |
-1.18 |
|
2H2O + 2e- |
-0.83 |
|
Zn2+ + 2e- |
-0.76 |
|
Cr2+ + 2e- |
-0.74 |
|
Fe2+ + 2e- |
-0.44 |
|
Cr3+ + 3e- |
-0.41 |
|
Cd2+ + 2e- |
-0.40 |
|
Co2+ + 2e- |
-0.28 |
|
Ni2+ + 2e- |
-0.25 |
|
Sn2+ + 2e- |
-0.14 |
|
Pb2+ + 2e- |
-0.13 |
|
Fe3+ + 3e- |
-0.04 |
|
2H+ + 2e-
|
0.00 |
|
S + 2H+ + 2e- |
0.14 |
|
Sn4+ + 2e- |
0.15 |
|
Cu2+ + e- |
0.16 |
|
SO42+ + 4H+ + 2e-
|
0.17 |
|
Cu2+ + 2e- |
0.34 |
|
2H2O + O2 + 4e- |
0.40 |
|
Cu+ + e- |
0.52 |
|
I2 + 2e- |
0.54 |
|
O2 (g) + 2H+ + 2e- |
0.68 |
|
Fe3+ + e- |
0.77 |
|
NO3- + 2H+ + e-
|
0.78 |
|
Hg2+ + 2e- |
0.78 |
|
Ag+ + e- |
0.80 |
|
NO3- + 4H+ +3 e-
|
0.96 |
|
Br2 + 2e- |
1.06 |
|
O2 (g) + 4H+ + 4e- |
1.23 |
|
MnO2 + 4H+ + 2e- |
1.28 |
|
Cr2O72- + 14H+
+ 6e- |
1.33 |
|
Cl2 + 2e- |
1.36 |
|
Au3+ + 3e- |
1.50 |
|
MnO4- + 8H+ + 5e-
|
1.52 |
|
Co3+ + e- |
1.82 |
|
F2 + 2e- |
2.87 |
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