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The crystal system of a compound with un...

The crystal system of a compound with unit cell dimensions a=0.387,b=0.387 and c=0.504 nm and `alpha=beta=90^(@)and gamma=120^(@)` is

A

Cubic

B

Hexagonal

C

Orthorhobic

D

Rhombohedral

Text Solution

Verified by Experts

The correct Answer is:
B
For the given crystal,
`a=bnec`
`alpha = beta = 90^@`
`gamma = 120^@`
these are the characteristic of a hexagonal system
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLID STATE-EXERCISE 1
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  3. The crystal system of a compound with unit cell dimensions a=0.387,b=0...

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  4. Which of the following crystal will exhibit the relation a=b=c and alp...

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  10. Na and Mg crystallize in bcc- and fcc-type crystals, respectively, the...

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

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  12. The number of hexagonal faces that are present in a truncated octahedr...

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  13. The number of atoms contained in a fcc unit cell of a monoatomic subst...

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  14. Number of unit cells in 4g of X(atomic mass=40). Which crystallises in...

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  15. Match the following Choose the correct option

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  16. What is the coordination number of each atom in a hexagonal close-pack...

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  17. At the limiting value of radius ration (r^+)/(r^-)

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  18. The NaCl structure can be converted into CsCl structure

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  20. In which pair most efficient packing is present?

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