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प्रश्न
Explain giving reasons, why ionic solids conduct electricity in the molten state, but not in solid-state?
कारण सांगा
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उत्तर
In the solid state of a substance (ionic compound), ions are not free to move but in the molten (liquid) state, they are free to move towards oppositely charged electrodes on passing an electric current. Hence, an ionic substance conducts electricity in the molten state and not in the solid state.
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States of Matters: Structure and Properties Solid State - Characteristics of Crystalline Solids;
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