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A solution conducts electricity well and turns blue litmus red. The presence of which ions does this indicate?

Answer and explanation

Correct answer: Hydrogen ions

The governing concept is the behaviour of acids in aqueous solution. Turning blue litmus red is the characteristic test for an acidic solution, which contains hydrogen ions, represented as H+ or hydronium ions in water. These mobile ions also carry electric charge, explaining the good conductivity. Hydroxide ions indicate a base, while chloride and sodium ions alone do not establish acidity.

Related tags

Acidic-SolutionHydrogen-IonsLitmusConductivityAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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