22. Given for is +0.337 V and for is +0.153 V. Calculate the standard electrode potential for the half-reaction .

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Question

22. Given $E^\circ$ for $Cu^{2+} + 2e^- \rightarrow Cu$ is +0.337 V and $E^\circ$ for $Cu^{2+} + e^- \rightarrow Cu^+$ is +0.153 V. Calculate the standard electrode potential for the half-reaction $Cu^+ + e^- \rightarrow Cu$.

Prashant Kotian · Accepted Answer

Correct answer: C. Standard potentials cannot be added directly. Convert to free energy: , . The target reaction is (1) - (2): . Since , V.

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