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The co-ordination number of a metal crys...

The co-ordination number of a metal crystallising in a hexagonal close paced structure is :

A

12

B

4

C

8

D

6

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The correct Answer is:
A
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AAKASH SERIES-SOLID STATE-OBJECTIVE EXERCISE -1

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  2. In a close packed lattice containing 'n' particles, the number of tetr...

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

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

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

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

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

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

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  9. Which of the following packing is more efficient:

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

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

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

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

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

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  15. The packing fraction for a body centred cube

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  16. Density of a crystal is given by :

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

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

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  19. Coordination number for Cu is

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  20. Which of the following has hcp crystal structure ?

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