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The gas produced near the anode in the chlor-alkali process can be used for which purpose?

Answer and explanation

Correct answer: Disinfecting water

In electrolysis of brine, chloride ions lose electrons at the anode and form chlorine gas: 2Cl− → Cl2 + 2e−. Chlorine reacts with water to produce disinfecting species, so it is widely used in controlled water treatment. Therefore option A is correct. Making milk sour, setting plaster, and dissolving tooth enamel are not the intended uses of chlorine in this process.

Related tags

ChlorineAnodeChlor-AlkaliWater-DisinfectionClass10AcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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