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Which correct product set is obtained by electrolysis of brine in the chlor-alkali process?

Answer and explanation

Correct answer: Sodium hydroxide, chlorine, and hydrogen

Brine is concentrated aqueous sodium chloride. During electrolysis, chloride ions are oxidised at the anode to chlorine gas, water is reduced at the cathode to hydrogen gas, and sodium hydroxide remains in solution. The overall reaction is 2NaCl + 2H2O → 2NaOH + Cl2 + H2. Therefore option A is the correct product set.

Related tags

Chlor-Alkali ProcessBrineElectrolysisAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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