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Which of the following statements is not...

Which of the following statements is not correct ?

A

The number of carbon atoms in a unit cell of diamond is 4.

B

The number of Bravis lattices in which a crystal can be categorized is 14.

C

The fraction of the total volume occupied by the atoms in a primitive cell is 0.48.

D

Molecular solids are generally volatile.

Text Solution

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The correct Answer is:
C
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OP TANDON-STATES OF MATTER (SOLID STATE)-OBJECTIVE QUESTIONS (LEVEL -A)
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  2. Coordination number of NaCl crystal will be :

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  3. Which of the following statements is not correct ?

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  4. If a stands for the edge length of the cubic system : simple cubic, b...

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  5. Which of the following statement are correct for the ionic solids in w...

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  6. The packing efficiency of the two dimensional square unit cell shown b...

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  7. A compound M(p)X(q) has cubic close packing (ccp) arrangement of X. It...

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  8. Lithium forms body centred cubic structure .The length of the side of ...

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  9. Which of the following exists as covalent crystals in the solid state?

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  10. Experimentally it was found that a metal oxide in formula M(0.98)O. Me...

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  11. Why is graphite used as a dry lubricant in machinery ?

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  12. Sodium metal crystllizes in a body centred cubic lattice with a unit c...

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  13. Which of the following compounds is metallic and ferromagnetic ?

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  14. A metal crystallises in a face centred cubic structure. If the edge le...

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  15. Cations are present in the interstitial sites in …………… .

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  16. If a metal crystallises in a face-centred cubic structure with metalli...

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  17. In a face centred cubic lattice unit cell is shared equally by how man...

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  18. In face centred cubic structure, the octahedral voids are located at :

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  19. Crystalline solids have :

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  20. In the unit cell of NaCl, which of the following statements are correc...

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