In which of the following state sodium chloride does not conduct electricity?
A
Molten state
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B
Aqueous Solution
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C
Solid state
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D
Sodium chloride is not conductive in any state
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Solution
The correct option is C Solid state Sodium chloride does not conduct electricity in solid state because its ions cannot move freely. In molten and liquid state sodium ions can move freely and hence conduct electricity. Sodium chloride does not occur in gaseous state.