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Aqueous sugar solution does not conduct electricity while salt solution does. What is the main reason?

Answer and explanation

Correct answer: Sugar does not form ions in water but salt does

Electrical conduction in an aqueous solution requires mobile charged particles. Sugar dissolves as neutral molecules and does not ionise appreciably, so its solution has no sufficient ions to carry current. An ionic salt such as sodium chloride dissociates into Na⁺ and Cl⁻, which move toward opposite electrodes and conduct electricity. Therefore option A is correct; B, C, and D are chemically incorrect.

Related tags

ConductivityIonsSugar SolutionAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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