Chemistry WAEC

When dilute copper (ll) chloride solution is electrolysed, the reaction at the cathode is represented by the equation?

A. Cu → Cu²+ + 2e-
B. Cu²+ + 2e- → Cu
C. 40H¯ + 4e- → O2 + 2H2O
D. 2CI- → CI2 + 2e

Correct Answer:

Option B – Cu²+ + 2e- → Cu

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