Statement-I: Cuprous ion undergoes disproportionation in aqueous solution
Statement-II: In aqueous solution, cuprous ion is more stable than cupric ion

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Both statements I and II are correct

Statement-I is incorrect and statement-II is correct

Both statements I and II are incorrect

Statement-I is correct and statement-II is incorrect

answer is B.

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Detailed Solution

${Cu}^{+} (3 d^{10})$ has a more stable configuration as compared to ${Cu}^{+ 2} (3 d^{9})$ but the hydration enthalpy of ${Cu}^{+ 2}$ is higher than ${Cu}^{+}$ ;

Stability of ${Cu}^{+ 2} (aq) > {Cu}^{+} (aq)$

$2 C u^{+} \overset{H_{2} O}{\to} {Cu}^{+ 2} + Cu$

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