Question

In Castner-Kellner cell for production of sodium hydroxide:
[NEET Kar. 2013]
(a) Brine is electrolyzed with Pt electrodes
(b) Brine is electrolyzed using graphite electrodes
(c) Molten sodium chloride is electrolysed
(d) Sodium amalgam is formed at mercury cathode

Answer 1

Explanation:

In Castner-Kellner cell for production of sodium hydroxide:

[NEET Kar. 2013]

(a) Brine is electrolyzed with Pt electrodes

(b) Brine is electrolyzed using graphite electrodes

(c) Molten sodium chloride is electrolysed

(d) Sodium amalgam is formed at mercury cathode

Answer 2

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OPTION C IS CORRECT

(c) Molten sodium chloride is electrolysed