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STATEMENT -1 : In NaCl structure , Na^...

STATEMENT -1 : In NaCl structure , ` Na^(+)` ion occupy octahedral holes and `Cl^(-)` ions occupy ccp.
STATEMENT -2 : The distance of the nearest neighours in NaCl structure is `a//2` where a
is the edge length of the cube .

A

12

B

6

C

8

D

4

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MODERN PUBLICATION-SOLID STATE-EXERCISE
  1. What is the radius of ratio (r^+/r^-) for an ion to occupy: tetrahedra...

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  2. A compound formed by two elements A and B crystallizers in the cubic s...

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  3. STATEMENT -1 : In NaCl structure , Na^(+) ion occupy octahedral hole...

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  4. What is the co-ordination number in hcp and ccp ?

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  5. Which of the following is not true

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  6. the Number of atoms per unit cell in fcc and bcc unit cells are 4 and ...

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  7. An element with molar mass 2.7xx10^(-2) kg "mol"^(-1) forms a cubic un...

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  8. If the alignment of mangnetic moments in a substance is 'in-a compensa...

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  9. Calculate the mass of 2.5 mole of naphthalene.

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  10. An alloy of copper silver and gold is found it have copper constitutin...

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  11. Fe(3)O(4) is ferrimagnetic at room temperature but at 850K it becomes:...

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  12. An example of body centred cube is

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  13. The packing fraction for a body centred cube is

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  14. In the body centered cubic unit cell and simple unit cell, the radius...

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  15. In the spinel structur, oxides ions are cubical-closet packed whereas ...

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  16. The most unsysmmetrical and symmeterical systems are, respectively:

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  17. The unit cell with parameter alpha=beta=gamma=90^(@) and a=b ne c is

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  18. The number of atoms present in a hexagonal close-packed unit cell is:

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  19. In corrundum, oxide ions are arranged in hcp arrangement and the alumi...

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  20. A minetal of titanium is found to contain calcium ions at the corners,...

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