NEET 2013 Chemistry Electrolytic Cells MCQ Question
In Castner-Kellner cell for production of sodium hydroxide:
brine is electrolyzed using graphite electrodes
molten sodium chloride is electrolyzed
sodium amalgam is formed at mercury cathode
brine is electrolyzed with Pt electrodes
Correct Answer
Detailed Explanation
In the Castner-Kellner cell, brine is electrolyzed, and sodium amalgam is formed at the mercury cathode. This amalgam reacts with water to produce sodium hydroxide.
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