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In electrolysis of aqueous copper sulphate,the gas at anode and cathode is (a) O2 and H2. (b) SO2 and H2 (ć) H2 and O2 (d) SO3 and O2 Please give it's answer with complete explanation.

In electrolysis of aqueous copper sulphate,the gas at anode and cathode is 
(a) O2 and H2.                   (b) SO2 and H2 
(ć) H2 and O2                    (d) SO3 and O2 
Please give it's answer with complete explanation. 

Grade:12th pass

2 Answers

Ssv goyal
51 Points
5 years ago
hello there,
i have tried it but not sure about the answer
i have got the answer but 
could you plz tell me the answer 
Astha
15 Points
3 years ago
option A. H2 gas at cathode and O2 at anode. But i did not understand how H2 gas evolve at cathode. As per me Cu will be the cathode product as its discharge potential is greater than H+. 

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