Redox Reactions And Electrochemistry Ques 240

Question: A solution of sodium sulphate in water is electrolysed using inert electrodes. The products at the cathode and anode are respectively [IIT 1987,96]

Options:

A) $ H_2,,O_2 $

B) $ O_2,H_2 $

C) $ O_2,Na $

D) $ O_2,SO_2 $

Show Answer

Answer:

Correct Answer: A

Solution:

At cathode: $ 2{H^{+}}+2e\to H_2 $ , At anode : $ 2O{H^{-}}\to H_2O+\frac{1}{2}O_2+2e $



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