Question

In Castner-Kellner cell for production of sodium hydroxide :-

• A. brine is electrolyzed using graphite electrodes
• B. molten sodium chloride is electrolysed
• C. sodium amalgam is formed at mercury cathode
• D. brine is electrolyzed with Pt electrodes

Answer 1

Answer: (C)

Correct answer is (c) sodium amalgam is formed at mercury cathode