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During the electrolysis of the aqueous s...

During the electrolysis of the aqueous solution of copper sulphate using `Pt` electrode, the reaction taking place at anode electrode is

A

`Cu^(2+)+2e^(-) rarr Cu`

B

`Cu rarr Cu^(2+)+2e^(-)`

C

`2H_(2)O rarr 4H^(o+)+O_(2)+4e^(-)`

D

`H_(2)O+e^(-) rarr overset(c-)(O)H+1//2H_(2)`

Text Solution

Verified by Experts

The correct Answer is:
c
At anode oxidation of `H_(2)O` occurs since the oxidation potential of `H_(2)O` is greater than the oxidation potential os `SO_(4)^(2-)` ion.
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