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A student says sodium chloride is neutral, so its solution will not have ions. Why is this wrong?

Answer and explanation

Correct answer: A neutral solution can also contain ions

The governing concept is the difference between electrical neutrality and the absence of ions. Sodium chloride dissolves in water and dissociates into Na⁺ and Cl⁻ ions. Their positive and negative charges are equal, so the solution is electrically neutral, but the mobile ions can still conduct electricity. Therefore option A is correct; neutrality does not mean that ions are absent, while the other options contradict the solubility and composition of sodium chloride.

Related tags

Sodium ChlorideIonsConductivityAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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