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In eelctrolysis of aqueous copper sulpha...

In eelctrolysis of aqueous copper sulphate, the gas at anode and cathode is .

A

` O_2 ` and ` H_2`

B

` SO_2` and `H_2`

C

`H_2` and ` O_2`

D

` SO_3` and `O_2`

Text Solution

Verified by Experts

The correct Answer is:
A
Cathode : `2H_(2) +2e^- rarr H_2 +2OH^-`
Anode : `H_2O rarr 2H^+ + 1/2 O_2 + 2 e^-`.
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