Home Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Alkali Metals Crystalline sodium chloride is a bad conduct…
Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Alkali Metals Single Correct MCQ
Published on: August 14, 2026

Crystalline sodium chloride is a bad conductor of electricity while molten NaCl and its aqueous solution conduct electricity. This is because.

A
Crystalline sodium chloride contains molecules only
B
The ions present in it are not free to move in solid state.
C
Sodium chloride is a covalent crystal]
D
Solid substances do not conduct electricity.

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The correct answer is:
B

and ions are free to move only in molten state or aqueous solution.

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