Showing content from http://hyperphysics.phy-astr.gsu.edu/Hbase/tables/electpot.html below:
Table of Standard Electrode Potentials
Cathode (Reduction)
Half-Reaction Standard Potential
E° (volts) Li+(aq) + e- -> Li(s) -3.04 K+(aq) + e- -> K(s) -2.92 Ca2+(aq) + 2e- -> Ca(s) -2.76 Na+(aq) + e- -> Na(s) -2.71 Mg2+(aq) + 2e- -> Mg(s) -2.38 Al3+(aq) + 3e- -> Al(s) -1.66 2H2O(l) + 2e- -> H2(g) + 2OH-(aq) -0.83 Zn2+(aq) + 2e- -> Zn(s) -0.76 Cr3+(aq) + 3e- -> Cr(s) -0.74 Fe2+(aq) + 2e- -> Fe(s) -0.41 Cd2+(aq) + 2e- -> Cd(s) -0.40 Ni2+(aq) + 2e- -> Ni(s) -0.23 Sn2+(aq) + 2e- -> Sn(s) -0.14 Pb2+(aq) + 2e- -> Pb(s) -0.13 Fe3+(aq) + 3e- -> Fe(s) -0.04 2H+(aq) + 2e- -> H2(g) 0.00 Sn4+(aq) + 2e- -> Sn2+(aq) 0.15 Cu2+(aq) + e- -> Cu+(aq) 0.16 ClO4-(aq) + H2O(l) + 2e- -> ClO3-(aq) + 2OH-(aq) 0.17 AgCl(s) + e- -> Ag(s) + Cl-(aq) 0.22 Cu2+(aq) + 2e- -> Cu(s) 0.34 ClO3-(aq) + H2O(l) + 2e- -> ClO2-(aq) + 2OH-(aq) 0.35 IO-(aq) + H2O(l) + 2e- -> I-(aq) + 2OH-(aq) 0.49 Cu+(aq) + e- -> Cu(s) 0.52 I2(s) + 2e- -> 2I-(aq) 0.54 ClO2-(aq) + H2O(l) + 2e- -> ClO-(aq) + 2OH-(aq) 0.59 Fe3+(aq) + e- -> Fe2+(aq) 0.77 Hg22+(aq) + 2e- -> 2Hg(l) 0.80 Ag+(aq) + e- -> Ag(s) 0.80 Hg2+(aq) + 2e- -> Hg(l) 0.85 ClO-(aq) + H2O(l) + 2e- -> Cl-(aq) + 2OH-(aq) 0.90 2Hg2+(aq) + 2e- -> Hg22+(aq) 0.90 NO3-(aq) + 4H+(aq) + 3e- -> NO(g) + 2H2O(l) 0.96 Br2(l) + 2e- -> 2Br-(aq) 1.07 O2(g) + 4H+(aq) + 4e- -> 2H2O(l) 1.23 Cr2O72-(aq) + 14H+(aq) + 6e- -> 2Cr3+(aq) + 7H2O(l) 1.33 Cl2(g) + 2e- -> 2Cl-(aq) 1.36 Ce4+(aq) + e- -> Ce3+(aq) 1.44 MnO4-(aq) + 8H+(aq) + 5e- -> Mn2+(aq) + 4H2O(l) 1.49 H2O2(aq) + 2H+(aq) + 2e- -> 2H2O(l) 1.78 Co3+(aq) + e- -> Co2+(aq) 1.82 S2O82-(aq) + 2e- -> 2SO42-(aq) 2.01 O3(g) + 2H+(aq) + 2e- -> O2(g) + H2O(l) 2.07 F2(g) + 2e- -> 2F-(aq) 2.87
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