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Which of the following has hcp crystal s...

Which of the following has hcp crystal structure ?

A

`NaCl`

B

`CaCl_(2)`

C

`Zn`

D

`RbCl`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-SOLIDS STATE-OBJECTIVE EXERCISE - 1 (CLOSE PACKED STRUCTURES AND VOIDS)
  1. Which of the following has hcp crystal structure ?

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  2. {:("List I","List II"),("A) ccp","1) ABAB"),("B) hcp","2) BCC"),("C) C...

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  3. Coordination number for Cu is

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  4. Atoms of an element 'A' occupy tetrahedral voids in the hexagonal clos...

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  5. AB is an ionic solid. If the ratio of ionic radii of A^(+) and B^(+) i...

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  6. The percentages of void space for simple cubic, body centred cubic and...

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  7. Which of the following is an example of body centred cube ?

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  8. The co-ordination number of a metal crystallising in a hexagonal close...

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  9. An octahedral void is surrounded by how many spheres ?

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  10. How many Cl^(-) ions are there around Na^(+) ion in NaCl crystal

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  11. The void between two oppositly directed planar triangles of spheres in...

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  12. In a cubic close packed structure the number of nearest neighbours for...

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

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  14. Which of the following packing is more efficient:

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

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  16. The packing fraction for a body centred cube

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  17. Density of a crystal is given by :

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

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

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