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Explain why ionic solids do not conduct ...

Explain why ionic solids do not conduct electricity but are good conductors in molten state.

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ICSE-SOLID STATE-EXERCISE (PART-II DESCRIPTIVE QUESTIONS) (LONG ANSWER QUESTIONS)
  1. Explain why ionic solids are quite hard and rigid.

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  2. Explain why ionic solids have high melting and boiling points.

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  3. Explain why ionic solids do not conduct electricity but are good condu...

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  4. Explain why ionic solids are more soluble in polar solvents.

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  5. Explain why solids have high density.

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  6. Explain why ionic solids are highly brittle.

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  7. What are atomic solids ? Discuss the structures of diamond and graphit...

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  8. Explain why the covalent solids have high melting and boiling points.

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  9. Explain why the covalent solids are hard.

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  10. Explain why the covalent solids are bad conductors of electricity.

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  11. Explain why the covalent solids are usually soluble in non-polar solve...

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  12. How will you account for the following: Diamond is extremely hard an...

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  13. How will you account for the following: Diamond is a non-conductor o...

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  14. How will you account for the following: Diamond has high density.

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  15. How will you account for the following: Graphite is soft and is used...

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  16. How will you account for the following: Graphite is a good conductor...

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  17. Mention three differences between crystalline and amorphous solids.

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  18. For diamond, state the element present at the lattice sites, the numbe...

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  19. For sodium chloride crystal, state: the type of unit cell.

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  20. For sodium chloride crystal, state: the nature of forces holding the...

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