Question on: WAEC Chemistry - 1999

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
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Correct Option: B

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