For a redox reaction, $\mathrm{Cd^{2+} + 2e^- \rightleftharpoons Cd}$, the $(E_p)_{\text{anodic}}$ observed in cyclic voltametry at hanging mercury drop electrode is –650 mV vs. SCE. The expected value for $(E_p)_{\text{cathodic}}$ is
(a)–708 mV
(b)–679 mV
(c)–650 mV
(d)–621 mV
Answer
SELF-PRACTICE — the source book printed no answer.
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