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The coordination number of a metal cryst...

The coordination number of a metal crystallizing in a hexagonal close-packed structure is

A

12

B

4

C

8

D

10

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The correct Answer is:
A
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MODERN PUBLICATION-SOLID STATE-REVISION EXERCISES (OBJECTIVE QUESTIONS) (MULTIPLE CHOICE QUESTIONS)
  1. Close packing is maximum in the crystal lattice of :

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  2. In a solid lattice the cation has left a lattice sirte and is located ...

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  3. The coordination number of a metal crystallizing in a hexagonal close-...

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  4. In a body centred unit cell, the number of atoms present is

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  5. In a trigonal crystal

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  6. The appearance of colour in solid alkali metal halides is generally du...

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  7. In a body centred cubic structure, the space occupied is about

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  8. Some polar crystals when heated produce small electrical current. The ...

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  9. The empty space within hcp arrangment is

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  10. The crystal system in which a ne b ne c and the angles alpha ne beta n...

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  11. The number of Cl^(-) ions present around each Na^(+) ion in NaCl cryst...

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  12. To get a n- type semiconductor from silicon , it should be doped...

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  13. The fraction of volume occupied by atoms in a face centered cubic unit...

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  14. The percentage of empty space in a body centred cubic arrangement is :

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  15. To get p-type semiconductor , impurity to be added to silicon should h...

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  16. A ferromagnetic substance becomes a permanent magnet when it is placed...

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  17. The presence of F-centres in a crystal makes it

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  18. Calculate the number of tetrahedral voids in the unit cell of a face-c...

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  19. Fe, Co and Ni are

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  20. Due to Frenkel defect, the density of the ionic solids

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