Question

In the electrolysis of aqueous sodium chloride solution which of the half-cell reaction will occur at the anode?

A

V

B

V

C

V

D

V

Hard

Solution

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Correct option is
D

V

At anode, oxidation takes place.
According to preferential discharge theory, more is the of anode potential more is the tendency for reaction to take place.
hence, gas is evolved.

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