Question

Solid sodium chloride does not conduct electricity . Give reason?

Answer 1

Answer:

In the solid state, ionic compounds such as sodium chloride have their ions fixed in position and therefore these ions cannot move so solid ionic compounds cannot conduct electricity. However in the molten state, ions in ionic compounds are free to flow and therefore molten sodium chloride can conduct electricity.

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Answer 2

Answer:

in solid NaCl there does not exist freee electrons to move so it does not conduct electricity but when it melts it conduct electricity due to presence of ions