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Ionic solids conduct electricity in the ...

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

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In solid state, the ions are present in fixed positions in the crystal lattice and cannot move when electric field in applied. However , when melted, the well ordered arrangement of the ions in the crystal is destroyed and the ions are in a position to move about when an electric current is applied. Hence, ionic solids conduct electricity in molten state.
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MODERN PUBLICATION-SOLID STATE-NCERT FILE SOLVED (NCERT) (IN TEST QUESTIONS )
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  2. Classify the following solids in different categories based on the nat...

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  3. Solid A is a very hard electrical insulator in solid as well as in mol...

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  4. Ionic solids conduct electricity in the molten state but not is the so...

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  5. What type of solids are electrical conductors, malleable or ductile?

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  6. Give the significance of "lattice point."

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  7. Name the parameters that characterized a unit cell.

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  8. Distinguish between a. Hexagonal and monoclinic unit cells (b) Fac...

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  9. Explain how much portin of an atom located at (a) corner and (b) body ...

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  10. What is the two-dimensional coordination number of a molecule in squar...

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  11. A compound is formed hexagonal close-packed structure. What is the tot...

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  12. A comound is formed by two elements M and N. The element N froms ccp a...

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  13. Which of the following lattices has the highest packing efficency (a) ...

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  14. An element with molar mass 2.7xx10^(-2) kg per mole forms a cubic uni...

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  15. What type of defect can arise when a solid is heated? Which physica...

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  16. What type of stoichiometric defect is shown by: (a) ZnS (b) AgBr

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  17. Explain how vacancies are introduced in an ionic solid when a cation ...

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  18. Ionic solids, which have anioninc vacancies due to metal excess defect...

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  19. A group-14 element is to be converted into n-type semiconductor by dop...

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  20. What type of substances would make better permanent magnets, ferromagn...

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