JEE Main 2002 — Electrochemistry Question with Solution
From: AIEEE 2002
Question
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate
electrodes are :
Choose an option
Show full solutionCorrect option: D
Correct answer
Dcathode = pure copper, anode = impure sample
Step-by-step explanation
Pure metal always deposits at cathode.
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This is a previous-year question from JEE Main 2002, covering the Electrochemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.