Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Solving Problems: A Chemistry Handbook
Chemistry: Matter and Change
317
SOLVING PROBLEMS:
A CHEMISTRY HANDBOOK
Appendix A
Standard Reduction Potentials at 25°C, 1 atm,
and 1M Ion Concentration
Table A-11
Half-reaction
E 0 (V)
Li ϩ ϩ e Ϫ 0 Li
Ϫ3.0401
Cs ϩ ϩ e Ϫ 0 Cs
Ϫ3.026
K ϩ ϩ e Ϫ 0 K
Ϫ2.931
Ba 2ϩ ϩ 2e Ϫ 0 Ba
Ϫ2.912
Ca 2ϩ ϩ 2e Ϫ 0 Ca
Ϫ2.868
Na ϩ ϩ e Ϫ 0 Na
Ϫ2.71
Mg 2ϩ ϩ 2e Ϫ 0 Mg
Ϫ2.372
Ce 3ϩ ϩ 3e Ϫ 0 Ce
Ϫ2.336
H 2 ϩ 2e Ϫ 0 2H Ϫ
Ϫ2.323
Nd 3ϩ ϩ 3e Ϫ 0 Nd
Ϫ2.1
Be 2ϩ ϩ 2e Ϫ 0 Be
Ϫ1.847
Al 3ϩ ϩ 3e Ϫ 0 Al
Ϫ1.662
Mn 2ϩ ϩ 2e Ϫ 0 Mn
Ϫ1.185
Cr 2ϩ ϩ 2e Ϫ 0 Cr
Ϫ0.913
2H 2 O ϩ 2e Ϫ 0 H 2 ϩ 2OH Ϫ
Ϫ0.8277
Zn 2ϩ ϩ 2e Ϫ 0 Zn
Ϫ0.7618
Cr 3ϩ ϩ 3e Ϫ 0 Cr
Ϫ0.744
Ga 3ϩ ϩ 3e Ϫ 0 Ga
Ϫ0.549
2CO 2 ϩ 2H ϩ ϩ 2e Ϫ 0 H 2 C 2 O 4
Ϫ0.49
S ϩ 2e Ϫ 0 S 2Ϫ
Ϫ0.47627
Fe 2ϩ ϩ 2e Ϫ 0 Fe
Ϫ0.447
Cr 3ϩ ϩ e Ϫ 0 Cr 2ϩ
Ϫ0.407
Cd 2ϩ ϩ 2e Ϫ 0 Cd
Ϫ0.4030
PbI 2 ϩ 2e Ϫ 0 Pb ϩ 2I Ϫ
Ϫ0.365
PbSO 4 ϩ 2e Ϫ 0 Pb ϩ SO 4
2Ϫ
Ϫ0.3588
Co 2ϩ ϩ 2e Ϫ 0 Co
Ϫ0.28
Ni 2ϩ ϩ 2e Ϫ 0 Ni
Ϫ0.257
Sn 2ϩ ϩ 2e Ϫ 0 Sn
Ϫ0.1375
Pb 2ϩ ϩ 2e Ϫ 0 Pb
Ϫ0.1262
Fe 3ϩ ϩ 3e Ϫ 0 Fe
Ϫ0.037
2H ϩ ϩ 2e Ϫ 0 H 2
0.0000