Tabla Potenciales

POTENCIALES DE REDUCCIÓN |
Electrodo | Proceso catódico de reducción | Eo(volt) |
Li+|Li | Li + e = Li | -3,045 |
K+|K | K+ + e = K | -2,925 |
Ca2+|Ca | Ca2+ + 2e = Ca | -2,866 |Na+|Na | Na+ + e = Na | -2,714 |
Mg2+|Mg | Mg2+ + 2e = Mg | -2,363 |
Al3+|Al | Al3+ + 3e = Al | -1,662 |
Mn2+|Mn | Mn2+ + 2e = Mn | -1,179 |
OH|H2 (Pt) | 2H20 + 2e = H2 +2OH | -0,828 |
Zn2+|Zn | Zn2+ + 2e = Zn | -0,763 |
S2|S (Pt) | S + 2e = S2  | -0,479 |
Fe2+|Fe | Fe2+ + 2e = Fe | -0,44 |
Cr3+,Cr2+ | Pt | Cr3+ + e = Cr2+ | -0,408 |
Cd2+|Cd |Cd2+ + 2e = Cd | -0,403 |
Tl+|Tl | Tl+ + e = Tl | -0,336 |
Co2+|Co | Co2+ + 2e = Co | -0,277 |
Ni2+|Ni | Ni2+ + 2e = Ni | -0,250 |
Sn2+|Sn | Sn2+ + 2e = Sn | -0,136 |
Pb2+|Pb| Pb2+ + 2e = Pb | -0,126 |
Fe3+|Fe | Fe3+ + 3e = Fe | -0,037 |
H+|H2 (Pt) | 2H+ + 2e = H2 | 0,000 |
Sn4+,Sn2+|Pt | Sn4+ + 2e = Sn2+ | +0,150 |
Cu2+,Cu+|Pt | Cu2+ + e = Cu+ |+0,153 |
Cu2+|Cu | Cu2+ + 2e = Cu | +0,336 |
OH|O2 (Pt) | O2 + 2H2O + 4e = 4OH  | +0,401 |
Cu+|Cu | Cu+ + e = Cu | +0,520 |
I|I2 (Pt) | I2 + 2e = 2I  | +0,535 |
Fe3+,Fe2+|Pt | Fe3+ + e = Fe2+ | +0,770 |
Hg22+|Hg | Hg22+ + 2e = 2Hg | +0,788 |
Ag+|Ag | Ag+ + e = Ag | +0,799 |
Hg2+|Hg | Hg2+ + 2e = Hg | +0,854 |
Hg2+, Hg22+| Pt | 2Hg2+ + 2e = Hg22+ |+0,919 |
Br|Br2 (Pt) | Br2  + 2e = 2Br  | +1,066 |
H+|O2 (Pt) | O2 + 4H+ + 4e = 2H2O | +1,229 |
Tl3+,Tl+ | Pt | Tl3+ + 2e = Tl+ | +1,252 |
Cr2O72, H+,Cr3+ | Pt | Cr2O72 + 14H+ + 6e = 2Cr3+ + 7H2O | +1,333 |
Cl |Cl2 (Pt) | Cl2 + 2e = 2Cl  | +1,359 |
Au3+|Au | Au3+ + 3e = Au | +1,497 |
MnO4 , H+, Mn2+|Pt | MnO4 +8H+ + 5e = Mn2+ + 4H2O | +1,507 |Au+|Au | Au+ + e = Au | +1,691 |
Pb4+, Pb2+|Pt | Pb4+ + 2e = Pb2+ | +1,693 |
Co3+, Co2+|Pt | Co3+ + e = Co2+ | +1,808 |
F | F2 (Pt) | F2 + 2e = 2F | +2,865 |
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