Standard Potentials at 25°C
(v4 4-16-08 12:15) | ||
Half Reaction | Potential | |
---|---|---|
F2 + 2e− → 2F− | +2.87 V | |
O3 + 2H+ + 2e− → O2 + H2O | +2.07 V | |
S2O82− + 2e− → 2SO42− | +2.05 V | |
PbO2 + 4H+ + SO42− + 2e− → PbSO4 + 2H2O | +1.69 V | |
Au+ + e− → Au | +1.69 V | |
Pb4+ +2e− → Pb2+ | +1.67 V | |
2 HClO + 2H+ + 2e− → Cl2 + 2H2O | +1.63 V | |
Ce4+ + e− → Ce3+ | +1.61 V | |
MnO4− + 8H+ + 5e− → Mn2+ + 4H2O | +1.51 V | |
Au3+ + 3e− → Au | +1.40 V | |
Cl2 + 2e− → 2Cl− | +1.36 V | |
Cr2O72− + 14H+ + 6e− → 2Cr3+ + 7H2O | +1.33 V | |
O2 + 4H+ + 4e− → 2 H2O | +1.23 V | |
MnO2 + 2H+ + 2e− → Mn2+ + 2H2O | +1.21 V | |
Pt2+ + 2e− → Pt | +1.20 V | |
Br2 + 2e− → 2Br− | +1.09 V | |
2Hg2+ + 2e− → Hg22+ | +0.92 V | |
ClO− + H2O + 2e− → Cl− + 2 OH− | +0.89 V | |
Ag+ + e− → Ag | +0.80 V | |
Hg22+ + 2e− → 2Hg | +0.79 V | |
Fe3+ + e− → Fe2+ | +0.77 V | |
MnO4− + 2H2O + 3e− → MnO2 + 4 OH− | +0.60 V | |
I2 + 2e− → 2I− | +0.54 V | |
Cu2+ + 2e− → Cu | +0.34 V | |
Hg2Cl2 + 2e− → 2Hg + 2 Cl− | +0.27 V | |
AgCl + e− → Ag + Cl− | +0.22 V | |
NO3− + H2O + 2e− → NO2− + 2 OH− | +0.01 V | |
2 H+ + 2e− → H2 | 0.000 V | |
Fe3+ + 3e− → Fe | −0.04 V | |
Pb2+ + 2e− → Pb | −0.13 V | |
Sn2+ + 2e− → Sn | −0.14 V | |
Ni2+ + 2e− → Ni | −0.23 V | |
V3+ + e− → V2+ | −0.26 V | |
PbSO4 + 2e− → Pb + SO42− | −0.36 V | |
Cr3+ + e− → Cr2+ | −0.41 V | |
Fe2+ + 2e− → Fe | −0.44 V | |
Zn2+ + 2e− → Zn | −0.76 V | |
Cr2+ + 2e− → Cr | −0.91 V | |
Mn2+ + 2e− → Mn | −1.18 V | |
V2+ + 2e− → V | −1.19 V | |
Al3+ + 3e− → Al | −1.66 V | |
Mg2+ + 2e− → Mg | −2.36 V | |
Li+ + e− → Li | −3.05 V |