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The reaction that occurs all the anode when CuSO4(aq)

The reaction that occurs all the anode when CuSO4(aq) is electrolyzed using carbon electrode is

A.

2H - (aq) + 2e → H 2(g)

B.

Cu2+ (aq) + 2e → Cu (s)

C.

4OH (aq) -4e → 2H2O(l) + O2 (g)

D.

SO4(aq)2 -2e → SO 2(g) + O2(g)

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Correct answer is C

No explanation has been provided for this answer.

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