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Why is sodium carbonate solution basic?

Answer and explanation

Correct answer: It behaves as a salt of a strong base and a weak acid

Sodium carbonate is considered a salt of the strong base sodium hydroxide and the weak acid carbonic acid. In water, carbonate ions undergo hydrolysis and produce hydroxide ions: CO₃²⁻ + H₂O ⇌ HCO₃⁻ + OH⁻. The formation of OH⁻ makes the solution basic, so it can turn red litmus blue. It is not strongly acidic, it does dissociate and react in water, and it is a compound rather than merely a metal.

Related tags

Sodium CarbonateBasic SaltHydrolysisAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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