Home Chemistry Electrochemistry Electrolytes and Electrolysis When the sample of copper with zinc impurity…
Chemistry Electrochemistry Electrolytes and Electrolysis Single Correct MCQ
Published on: August 14, 2026

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

Cathode Anode

A
Pure zinc Pure copper
B
Impure sample Pure copper
C
Impure zinc Impure sample
D
Pure copper Impure sample

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Text Solution

Verified by Experts
The correct answer is:
D

Impure metal made anode while pure metal made cathode.

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