Guest

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, SO2 choose and explain

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, SO2


choose and explain

Grade:12

2 Answers

Roshan Mohanty
64 Points
9 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
14149 Points
9 years ago

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

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

The answer is C.

 

plz approve!

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free