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A solution of Na2SO4 in water is electrolysed using inert electrodes. The product at cathode and anode are respectively(a) H2, O2(b) O2, H2(c) O2, Na(d) O2, SO2choose and explain

pratiksha agarwal , 11 Years ago
Grade 12
anser 2 Answers
Roshan Mohanty

Last Activity: 11 Years ago

H +  + 2 e -  --->  2H2                  Cathode because it is a reduction reaction.

2H2O  -->  O2  +  4e -  +  4H +     Anode because it is an oxidation reaction.


so ans is A

Vikas TU

Last Activity: 11 Years ago

Na2+ + 2e'' -> Na (Anode)

2SO4 2- -> 2SO3 + O2 + 4e'' (Cathode)

The answer is C.

 

plz approve!

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