Question

Describe the preparation of sodium
hydroxide with the diagrams​

Answer 1

Explanation:

Method of prepration of sodium hydroxide

It is generally prepared by electrolysis of sodium chloride in Castner-kellner cell. A brine solution is electrolyzed using mercury cathode and carbon anode. Sodium metal, discharged at the cathode, combine with mercury to form sodium amalgam. Cl gas is evolved at the cathode.