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Question

During electrolytic refining of zinc, pure zinc gets:

A
deposited at cathode
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B
deposited at anode
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C
deposited at cathode as well at anode
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D
remains in the solution
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Solution

The correct option is A deposited at cathode
In the electrolytic refining process, the impure metal is made the anode and a thin strip of pure metal is made the cathode.
A solution of the metal salt is used as an electrolyte.
On passing the current through the electrolyte, the pure metal from the anode dissolves into the electrolyte.

An equivalent amount of pure metal is deposited on the cathode.


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