Explain why, a salt which does not conduct electricity in the solid state becomes a good conductor in molten state.

In the solid-state, ions are held together by strong electrostatic forces. Hence, the free movement of ions are restricted.

On dissolving in water or in a fused state, the crystal structure of the solid compound breaks, and ions can move freely. Therefore, an aqueous solution of an ionic compound conducts electricity as there are plenty of free ions that are able to conduct electric current.
 

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Updated on: 10-Oct-2022

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