Ionic solids conduct electricity in molten state but not in solid state. Explain.

Monjur Alahi

Ionic solids conduct electricity in molten state but not in solid state. Explain. 


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Salim Ahmed Kawsar

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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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Salim Ahmed Kawsar

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In the molten state, ionic solids dissociate to give free ions and hence can conduct electricity. However in the solid state, as the ions are not free to move but remain held together by strong electrostatic forces of attraction, so they cannot conduct electricity in the solid state.

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Salim Ahmed Kawsar

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In the molten state, ionic solids dissociate to give free ions and hence can conduct electricity. However in the solid state, as the ions are not free to move but remain held together by strong electrostatic forces of attraction, so they cannot conduct electricity in the solid state.

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Salim Ahmed Kawsar

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In ionic solids, constituent ions are held together by strong electrostatic forces of attraction and they are present in fixed position in crystal lattice. Therefore, they cannot move when an electric field is applied. However, in molten state the well defined arrangement of ions in the crystal is destroyed and the ions can move freely when electric field is applied. Hence, ionic solids conduct electricity in molten state.

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Salim Ahmed Kawsar

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Yes. Ionic solids conduct electricity in a molten state but not in solids state. ... In contrast, ions are held together by strong electrostatic forces in a solid-state and are not free to move about within the solid. Hence, in molten state or solution form, the ions are free to move and conduct electricity.

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