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Question

During electrolysis of copper sulphate, ___ gets formed at the anode.

A
Copper
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B
Copper sulphate
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C
Hydrogen
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D
Oxygen
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Solution

The correct option is A Copper
When copper sulphate is electrolyzed, copper and sulphate ions are formed. Then, reddish brown copper is deposited at the cathode and bubbles of oxygen are evolved at the anode. The reactions are as follows:
Anode:
Cu2++2e−→Cu
Cathode:
4OH−→O2+2H2O+4e


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