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Explain : Ionic crystals are hard and ...

Explain :
Ionic crystals are hard and brittle.

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Ionic solids are hard due to strong electrostatic forces of attraction among the oppositely charged ions. Ionic solids are brittle because ionic bond is non-directional in nature.
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OMEGA PUBLICATION-THE SOLID STATE-MULTIPLE CHOICE QUESTIONS
  1. Explain : Ionic crystals are hard and brittle.

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  2. The major binding force of diamond , silicon and quartz is

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  3. Graphite is an example of:

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  4. The total number of lattice arrangements in different crystal system i...

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  5. Which one of the following will have a low heat of fusion ?

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  6. The crystal system of a compound with unit cell parameter,

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  7. Zn converts its melting state to its solid state, it has hcp structure...

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  8. A metallic crystal crystallises into a lattice containing sequence ofl...

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  9. The cordination number of a metal crystallising in a hexagonal close-p...

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  10. The packing fraction for a body centred cube is

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  11. In crystal structure of sodium chloride, the arrangement of Cl ions is

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  12. The percentage of nitrogen in HNO3 is ...................................

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  13. The number of octahedral sites per sphere in fcc structure is

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  14. The number of tetrahedral sites per sphere in fcc structure is

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  15. A crystal lattice with alternate +ve and-ve ions has radius ratio of 0...

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  16. Calculate the equivalent weight of oxalic acid

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  17. Which of the following is Bragg's equation?

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  18. 74.5g of metal chloride contains 35.5g of chlorine. the equivalent wei...

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  19. Name the element with electronic configuration 1s2 2s2

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  20. The units of molality are ...........

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  21. How many gram of oxygen is required to completely react with 0.200g of...

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