Explain the preparation of caustic soda with equation
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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
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Answer:
Preparation of Caustic soda :
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.
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