Q.
In electrolysis of aqueous copper sulphate, the gas at anode and cathode is
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a
O2 and H2
b
SO2 and H2
c
H2 and O2
d
H2 and SO2
answer is A.
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Detailed Solution
Cathode : 2H2O+2e−→H2+2OH−Anode : H2O→2H++12O2+2e−
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