Copper reacts with hot conc. $H_{2} {SO}_{4}$ to give :

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$O_{2}$

none of these

$H_{2}$

${SO}_{2}$

answer is B.

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Detailed Solution

Sulfur dioxide is produced when copper combines with hot, concentrated sulfuric acid. $Cu + 2 H_{2} {SO}_{4} \to {CuSO}_{4} + {SO}_{2} + 2 H_{2} O$ . The correct option is B.

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