Question

Name the chemical compound which is electrolysed in molten state to obtain sodium metal. Which gas is produced in this process?

Answer 1

Sodium chloride is electrolysed in the molten state to obtain sodium metal. Chlorine gas is evolved during this process.

\[\ce{\underset{Sodium chloride}{2NaCl_{(l)}} ->[Electrolysis] \underset{Sodium}{2Na_{(s)}} + \underset{Chlorine}{Cl2_{(g)}}}\]