Solution of $C u S O_{4}$ is acidic due to the hydrolysis of:

C u^{2 +}

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S O_{4}^{2 -}

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both

C u^{2 +}

and

S O_{4}^{2 -}

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C u S O_{4}

solution is not acidic

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Solution

The correct option is A $C u^{2 +}$
Solution of $C u S O_{4}$ is acidic due to the hydrolysis of $C u^{+ +}$ ions.
$C u^{+ +} + 2 H_{2} O ⇌ C u (O H)_{2} + 2 H^{+}$

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An acidic solution of $C u^{2 +}$ salt containing 0.4 g of $C u^{2 +}$ (CuSO₄) is electrolysed until all the Cu is deposited. The electrolysis is continued for seven more minutes with the volume of solution kept at 100 ml and the current at 1.2 Ampere. Calculate volume of gases evolved at N.T.P at anode during entire electrolysis.