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.
