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The gas formed near the cathode in the chlor-alkali process can be used in which process?

Answer and explanation

Correct answer: Hydrogenation of vegetable oils

At the cathode during brine electrolysis, water gains electrons and produces hydrogen gas: 2H2O + 2e− → H2 + 2OH−. Hydrogen is used to hydrogenate unsaturated vegetable oils, converting them into more saturated fats such as vanaspati. Hence option B is correct. Bleaching powder is associated with chlorine, while the remaining options do not describe hydrogen’s relevant industrial use.

Related tags

HydrogenCathodeChlor-AlkaliHydrogenationClass10AcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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