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Which of the following is non-conductor of electricity at solid state but can conduct electricity in the molten state or when dissolved in water?(a) Non polar molecular solids(b) Metallic solids(c) Ionic solids(d) Hydrogen bonded molecular solidsI got this question during an interview.My doubt stems from Classification of Crystalline Solids in chapter Solid State of Chemistry – Class 12

Answer» CORRECT CHOICE is (c) Ionic solids

For explanation: Ionic Solids, when dissolved in water, tend to separate cations and the anions which ALLOWS the solution to CONDUCT electricity. ALSO, they have high melting and boiling points.


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