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Which is the correct group of three main products obtained in the chlor-alkali process?

Answer and explanation

Correct answer: Chlorine, hydrogen and sodium hydroxide

The chlor-alkali process is the electrolysis of concentrated aqueous sodium chloride, called brine. Chloride ions are oxidised at the anode to form chlorine gas, water is reduced at the cathode to form hydrogen gas, and sodium hydroxide remains in the solution. Therefore, the three principal products are chlorine, hydrogen, and sodium hydroxide. The other groups contain substances not produced by this process, so option A is correct.

Related tags

Chlor-AlkaliBrineElectrolysisIndustrial-ProductsAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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