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The reaction at cathode during the elect...

The reaction at cathode during the electrolysis of aqueous solution of `NaCI` in Nelson cell is :

A

`2CI^-rarrCI_2 + 2e`

B

`2H^+ +2e rarrH_2`

C

`2OH^- rarrH_2+O_2+2e`

D

`Na^+ +erarrNa`

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The correct Answer is:
B
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