Molten sodium-chloride electricity due to presence of
A
Freeelectrons
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B
Freeions
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C
Freemolecules
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D
FreeatomsofNaandCl
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Solution
The correct option is AFreeions Molten sodium-chloride contains free sodium ions (Na+) and chloride ions (Cl−) which carry the electric charge and thus conduct electricity. Hence Molten sodium-chloride conducts electricity due to the presence of free ions.