alleryAt the positive impure-copper electrode, which equation applies?
ACu → Cu2+ + 2e−
BCu2+ + 2e− → Cu
C2H+ + 2e− → H2
D2H2O → O2 + 4H+ + 4e−
Answer & Solution
Correct answer: A. Cu → Cu2+ + 2e−
Copper at the anode is oxidised into copper ions.
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