Question:medium

Cu\(^+\) is unstable in solution and undergoes simultaneous oxidation and reduction according to the reaction \(2\text{Cu}^+(\text{aq}) \rightarrow \text{Cu}^{2+}(\text{aq}) + \text{Cu(s)}\). Choose the correct \(E^\circ\) for the above reaction if \(E^\circ_{\text{Cu}^{2+}/\text{Cu}} = +0.34\,\text{V}\) and \(E^\circ_{\text{Cu}^+/\text{Cu}} = +0.15\,\text{V}\).

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Disproportionation reactions often have positive cell potentials.
Updated On: Mar 24, 2026
  • \(-0.38\,\text{V}\)
  • \(+0.49\,\text{V}\)
  • \(+0.38\,\text{V}\)
  • \(-0.19\,\text{V}\)
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The Correct Option is C

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