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Which of the following statements is not...

Which of the following statements is not correct?

A

Molecular solids are generally volatile

B

The number of carbon atoms in an unitcell of diamond is 4

C

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

D

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

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The correct Answer is:
B
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AAKASH SERIES-SOLID STATE-OBJECTIVE EXERCISE -3
  1. CsBr crystallise in a body centred cubic lattice. The unit cell length...

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  2. If NaCl is doped with 10^(4) mol % of SrCl(2) the concentration of cat...

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  3. Which of the following statements is not correct?

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

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  5. If 'a' stands for the edge length of the cubic systems: simple cubic, ...

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  6. Percentage of free space in a body-centred cubic unit cell is

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  7. Lithium metal crystallizes in a body-centred cubic crystal. If the len...

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  8. AB crystallises in a bcc lattice with edge length ‘a’ equal to 387 pm....

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  9. When molten zinc is cooled to solid state, it assumes HCP structure. T...

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  10. The number of octahedral voids in a unit cell of cubic close packed st...

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  11. A metal crystallizes with a face-centred cubic lattice. The edge of th...

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  12. Structure of a mixed oxide is cubic close-packed (ccp). The unit cell ...

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  13. A metal has fcc lattice. The edge length of the unit cell is 404 pm. T...

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  14. The number of carbon atoms per unit cell of diamond unit cell is

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  15. If ‘a’ is the length of the side of a cubic unit cell the distance bet...

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  16. A given metal crystallises out with a cubic structure having edge leng...

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  17. The vacant space in bcc lattice unit cell is

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  18. Lithium has a bcc structure. Its density is 530 kg n r3 and its atomic...

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  19. The ionic radii of A^(+) and B ions are 0.98 xx 10^(-10)m and 1.81 xx ...

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  20. Which is the incorrect statement?

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