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Why does aqueous sodium chloride conduct electricity even though it is neutral?

Answer and explanation

Correct answer: Because it has mobile ions

Electrical conduction in an aqueous solution requires charged particles that can move. Sodium chloride dissociates in water into Na⁺ and Cl⁻ ions, and these ions migrate towards opposite electrodes when a potential difference is applied. The solution is neutral overall because the positive and negative charges are equal, but neutrality does not mean absence of ions. Coloured particles, lack of water, or conversion into an acid are not the reasons; therefore option B is correct.

Related tags

Sodium ChlorideConductivityIonsNeutral SaltAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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