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NaOH is prepared by the...

NaOH is prepared by the

A

Down's cell

B

Castner cell

C

Solvay process

D

Castner Kellner cell

Text Solution

Verified by Experts

The correct Answer is:
D
The cell involves the following reaction,
`NaCl ltimplies Na^(+)+Cl^(-)`
At anode `: 2 Cl^(-) rarr 2Cl+2e rarr Cl_(2)`
At cathode `: Na^(+) +e rarr Na`
`Na+Hg rarr` amalgam
At anode `: Na-` amalgam `rarr Na^(+)+Hg+e`
At cathode `: 2H_(2)O+2e rarr H_(2) ^(-)+2OH^(-)`
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