Standard Reduction Potentials

Standard Reduction Potentials (in Volts), 25^oC

Reaction	E^o

F₂ + 2e^- ---> 2F^-	+2.87
Co³⁺ + e^- ---> Co²⁺	+1.80
PbO₂ + 4H⁺ + SO₄^2- + 2e^- ---> PbSO₄(s) + 2H₂O	+1.69
MnO₄^- + 8H⁺ + 5e^- ---> Mn²⁺ + 4H₂O	+1.49
PbO₂ + 4H⁺ + 2e^- ---> Pb²⁺ + 2H₂O	+1.46
Cl₂ + 2e^- ---> 2Cl^-	+1.36
Cr₂O₇^2- + 14H⁺ + 6e^- ---> 2Cr³⁺ + 7H₂O	+1.33
O₂ + 4H⁺ + 4e^- ---> 2H₂O	+1.23
Br₂ + 2e^- ---> 2Br^-	+1.07
NO₃^- + 4H⁺ + 3e^- ---> NO + 2H₂O	+0.96
Hg²⁺ + 2e^- ---> Hg	+0.85
Ag⁺ + e^- ---> Ag	+0.80
Fe³⁺ + e^- ---> Fe²⁺	+0.77
I₂ + 2e^- ---> 2I^-	+0.54
Cu⁺ + e^- ---> Cu	+0.52
Fe(CN)₆^3- + e^- ---> Fe(CN)₆^4-	+0.36
Cu²⁺ + 2e^- ---> Cu	+0.34
Cu²⁺ + e^- ---> Cu⁺	+0.15
Sn⁴⁺ + 2e^- ---> Sn²⁺	+0.15
2H⁺ + 2e^- ---> H₂	0.00
Fe³⁺ + 3e^- ---> Fe	-0.04
Pb²⁺ + 2e^- ---> Pb	-0.13
Sn²⁺ + 2e^- ---> Sn	-0.14
Ni²⁺ + 2e^- ---> Ni	-0.25
Co²⁺ + 2e^- ---> Co	-0.29
PbSO₄ + 2e^- ---> Pb + SO₄^2-	-0.359
PbI₂ + 2e^- ---> Pb + 2I^-	-0.365
Cr³⁺ + e^- ---> Cr²⁺	-0.40
Cd²⁺ + 2e^- ---> Cd	-0.40
Fe²⁺ + 2e^- ---> Fe	-0.41
Cr³⁺ + 3e^- ---> Cr	-0.74
Zn²⁺ + 2e^- ---> Zn	-0.76
2H₂O + 2e^- ---> H₂(g) + 2OH^-	-0.83
V²⁺ + 2e^- ---> V	-1.18
Mn²⁺ + 2e^- ---> Mn	-1.18
Al³⁺ + 3e^- ---> Al	-1.66
Mg²⁺ + 2e^- ---> Mg	-2.37

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