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ICSE Class 10 Answered

solid sodium chloride is a bad conductor of electricity. however , fused sodium chloride conducts electric current. explain on the basis of the theory of ionisation.
Asked by madhu5126 | 24 Jul, 2018, 12:23: PM
answered-by-expert Expert Answer
A substance has charged particles, like electrons and ions, that are free to move freely through it can only conduct electricity.
Solid Sodium chloride has their ions fixed in position in a crystal structure hence ions cannot move so solid ionic compounds cannot conduct electricity.
But in molten state ions are free to flow and therefore in molten state sodium chloride can conduct electricity.
Answered by Ramandeep | 24 Jul, 2018, 12:49: PM

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