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WAEC - Chemistry (1999 - No. 32)
When dilute copper (ll) chloride solution is electrolysed, the reaction at the cathode is represented by the equation
Cu → Cu
2+
+ 2e-
Cu
2+
+ 2e- → Cu
40H- - 4e- → O
2
+ 2H
2
O
2CI- → CI
2
+ 2e
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