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Which base can be made industrially from common salt?

Answer and explanation

Correct answer: Sodium hydroxide

The governing concept is the chlor-alkali process. Common salt provides sodium chloride, and its concentrated aqueous solution, called brine, is electrolysed. The overall process produces sodium hydroxide in solution along with chlorine gas and hydrogen gas: 2NaCl + 2H₂O → 2NaOH + Cl₂ + H₂. Thus sodium hydroxide is the industrial base obtained from common salt; the other listed hydroxides are not the product of this process.

Related tags

Acids Bases SaltsChlor-Alkali ProcessCommon SaltSodium HydroxideElectrolysisAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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