Redox Reactions And Electrochemistry Ques 237

Question: When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are [AIEEE 2002]

Options:

A) Cathode Anode Pure zinc Pure copper

B) Impure sample Pure copper

C) Impure zinc Impure sample

D) Pure copper Impure sample

Show Answer

Answer:

Correct Answer: D

Solution:

Impure metal made anode while pure metal made cathode.



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