Why ionic compound do not conduct electricity in which solid state but conduct in molten state
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For conduction of electricity , there must be free electron or free radicals(ions).In solid state , those ionic compound donot dissociates into ions causing no conduction of electricity whereas in molten state they dissociates into ions causing conduction due to the free ions.
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In ionic compounds, electricity is conducted by ions. In solid state, ions are held together by strong electrostatic forces and are not free to move about within the solid. Hence, ionic solids do not conduct electricity in solid state. However, in molten state or in solution form, the ions are free to move and can conduct electricity.
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