74
Zn2+ + 2e– ¾® Zn
–0 76
(continued)
Standard potentials at 298 K in electrochemical order
APPENDIX III
Rationalised 2023-24
144
Chemistry
Reduction half-reaction
Eo/V
Cd(OH)2 + 2e– ¾® Cd + 2OH–
–0 81
2H2O + 2e– ¾® H2 + 2OH–
–0 83
Cr2+ + 2e– ¾® Cr
–0