Aqueous solution of sodium chloride conducts electricity due to the presence of free _______.

electrons

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ions

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molecules

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atoms

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Solution

The correct option is B ions
Electricity can be conducted in metals due to the availability of free electrons. Likewise, aqueous solutions can conduct electricity if there are free ions.

Here, sodium chloride ( $N a C l$ ) ionises completely to yield free ions. Thus, aqueous solution of sodium chloride conducts electricity.

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An aqueous solution of Sodium chloride conducts electricity

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