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In the structure of diamond, carbon atom...

In the structure of diamond, carbon atoms appear at

A

`0, 0, 0`, and `(1)/(2), (1)/(2), (1)/(2)`

B

`(1)/(4), (1)/(4), (1)/4`, and `(1)/(2), (1)/(2), (1)/(2)`

C

`0, 0, 0`, and `(1)/(4), (1)/(4), (1)/(4)`

D

`0, 0, 0`, and `(3)/(4), (3)/(4), (3)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
The space lattice of diamond is `fcc`. The primitive bassis has two identical atoms at `0,0,0` and `1/4,1/4,1/4` associated with each point of the fcc lattice as shown in the figure.
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CENGAGE CHEMISTRY-SOLID STATE-Exercises (Single Correct)
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  2. Schottky defect to crystals is observed when

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  3. How many kinds of space lattices are possible in a crystal?

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  4. Potassium crystallizes with a

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  5. A compound formed by element A and B crystallizes in the cubic structu...

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  6. The number of unit cells in 58.5 g of NaCl is nearly

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  7. The number of octahedral sites per sphere in fcc structure is

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  8. The packing fraction for a body-centred cube is

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  9. Which of the following has Frenkel defect?

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  10. In NaCl, the chloride ions occuphy the space in a fashion of

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  11. To get n-type doped semiconductor, impurity to be added to silicon sho...

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  12. The range of radius ratio (cationic to anionic) for an octahedral arra...

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  13. When molten zinc is cooled to solid state, it assumes hcp structure. T...

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  14. Superconductors are derived from the compounds of

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  15. A semiconductor of Ge can be made p-type by adding

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  16. The interionic distance for cesium chloride crystal will be

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  17. Which of the following metal oxides is anti-ferromagnetic in nature?

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  18. What are types of following semiconductors I and II.

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  20. Which of the following figures represents the cross section of an OV?

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