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If mercury is used as cathode in the ele...

If mercury is used as cathode in the electrolysis of NaCl solution, the ions discharged at cathode are

A

`H^(+)`

B

`Na^(+)`

C

`OH^(-)`

D

`Cl^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
In presence of Hg electrode preferential discharge of `Na^(+)` (in comparison to `H^(+)`) occurs .
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