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Which of the following packing is more e...

Which of the following packing is more efficient:

A

square close - packing

B

hexagonal close pakcing

C

tetrahedral arrangeement

D

pentagonal arrangement

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-SOLID STATE-OBJECTIVE EXERCISE -1
  1. In a cubic close packed structure the number of nearest neighbours for...

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  2. Which of the following structure is most uncommon for metals ?

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  3. Which of the following packing is more efficient:

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  4. The packing efficiency in a simple cubic cell system of crystals is

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  5. The number of tetrahedral voids in the unit cell of a face-centred cub...

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  6. The Ca^(2+) and F ions are located in CaF( 2)crystal, respectively at ...

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  7. The fraction of the total volume occupied by the atoms present in a si...

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  8. In the structure given below, the sites S(1) and S(2) represent

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  9. The packing fraction for a body centred cube

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  10. Density of a crystal is given by :

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  11. The percent of void space in a body - centred cubic lattice is :

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  12. Calculate the efficiency of the packaing in case of face - centered cu...

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  13. Coordination number for Cu is

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  14. Which of the following has hcp crystal structure ?

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  15. The intermetallic compound LiAg crystallizes in cubic lattice in which...

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  16. In a cubic closed packed structure of mixed oxide, the oxide ions are ...

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  17. Which of the following has both Schottky and Frenkel defects.

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

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  19. The ratio of Fe^(3+) and Fe^(2+) ions in Fe(0.9)9S(1.0) is

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  20. Which of the following has Frenkel defect?

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