Question

Extraction of chlorine from brine solution is based on

a) acidification
b) reduction
c) oxidation
d) chlorination.​

Answer 1

Answer:

c) oxidation

Explanation:

Chlorine can be manufactured by electrolysis of a sodium chloride solution (brine).Electrolysis of brine solution involves the following reactions :

At cathode:

2H+ + 2e− → H₂ (Reduction)

At anode:

2Cl− → Cl₂ + 2e− (Oxidation)

Overall reaction:

2NaCl + 2H₂O → CI₂ + H₂ + 2NaOH

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