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NaOH is prepared by the electrolysis of ...

`NaOH` is prepared by the electrolysis of :

A

aqueous solution of sodium chloride with platinum electrodes

B

molten sodium chloride with graphite anode and iron cathodes

C

sodium carbonate with platinum electrodes

D

sodium carbonate with nickel electrodes

Text Solution

Verified by Experts

The correct Answer is:
A
At anode `: 2 Cl^(-) rarr Cl_(2)+2e`
At cathode `: 2 H^(+)+2e rarr H_(2)`
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