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The number of carbon atoms present per u...

The number of carbon atoms present per unit cell of diamond is-

A

1

B

4

C

8

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
In diamond, carbon atoms form fcc unit cell along with four more carbon atoms which are entirely inside the crystal in four alternate tetrahedral voids in staggard form.
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CHHAYA PUBLICATION-SOLID STATE-ENTRANCE QUESTION BANK
  1. A metal crystallises with a face-centred cubic lattice. The edge of th...

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  2. The number of octahedral void(s) per atom present in a cubic close-pac...

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  3. The number of carbon atoms present per unit cell of diamond is-

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  4. Which of the following statements about the interstitial compounds is ...

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  5. If a is the length of the side of a cube, the distance between the bod...

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  6. The correct statement regarding defects in the crystaline solid is-

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  7. The vacant space in bcc lattice cell is-

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  8. In calcium fluoride, having the fluorite structure, the coordination n...

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  9. The ionic radii of A^(+)andB^(-) ions are 0.98xx10^(-10)m and 1.81xx10...

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  10. Lithium has bcc structure. Its density is 530kg*m^(-3) and its atomic ...

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  11. Which is the incorrect statement-

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  12. Iron exhibits bcc structure at room temperature. Above 900^(@)C, it tr...

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  13. Schottky defect is-

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  14. CsCl has bcc arrangement. Its unit cell edge length is 400 pm. Its int...

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  15. If Si is doped with B-

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  16. In bcc structure contribution of corner and central atom is-

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  17. In a solid, atom M occupies ccp lattice and 1/3rd of tetrahedral voids...

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  18. A forms hcp lattice and B are occupying 1/3rd of tetrahedral voids, th...

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  19. Ca^(2+)andF^(-) are located in CaF(2) crystal, respectively at face-ce...

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  20. Addition of group-13 elements to intrinsic semiconductors result in-

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