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When the sample of Cu with Zn impurity i...

When the sample of Cu with Zn impurity is to be purified by electrolysis, the appropriate electrodes are

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The correct Answer is:
D
Anode : `Cu rarr Cu^(2+) + 2e^(ѳ)` (impure)
Cathode : `Cu^(2+) + 2e^(ѳ) rarr Cu` (pure)
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