In the electrolysis of CuSO4(aq) using copper electrodes, the reaction at the anode is

In the electrolysis of CuSO_4(aq) using copper electrodes, the reaction at the anode is

A discharge of SOsub>4 ^2-
B discharge of OH^-
C dissolution of copper electrode
D evolution of oxygen

waec 2001 chemistry

The correct answer is C. dissolution of copper electrode

No explanation given

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