Question

Caster Kellner cell is used for production of

• A.
• B.
• C.
• D.

Answer 1

The correct option is A

It is used in the production of NaOH as follows:
Cathode : $N{a}^{⨁}+2e^{\ominus }\to Na$ Anode : $2C{l}^{\ominus }\to C{l}_2+2e^{\ominus }$
(amalgam)

Central compartment : $2Na-Hg+2H_{2}O\to 2NaOH+H_2+2Hg$
(amalgam)