How is sodium hydroxide prepared by castner kellner cell?
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How is sodium hydroxide prepared by castner kellner cell?
Solid sodium hydroxide is obtained from this solution by the evaporation of water.
Principle — In castner-kellner method NaOH is prepared by the electrolysis of aqueous solution of NaCl (Brine).
Castner-kellner cell — It is a rectangular tank of steel.
- The sodium deposited at mercury forms Sodium Amalgam.
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Explanation:
In castner kellners method NaoH is prepared by electrolysis of aqueous solution of Nacl(Brine).
Chlorine produced at the anode is removed from the top of the cell.
Chlorine gas is also produced in this process.
Solid NaoH is obtained from this solution by the evaporation of water.
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