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Which of the following systems do not gi...

Which of the following systems do not give correct discription of axial lengths and axial angles ?

A

Hexagonal a=b`ne`c `alpha=beta=90^@, gamma=120^@`

B

Tetragonal `a=bnec alpha =beta=gamma=90^@`

C

Monoclinic `anebnec alpha=beta=gamma ne 90^@`

D

Cubic a=b=c `alpha=beta=gamma =90^@`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-THE SOLID STATE -ASSIGNMENT SECTION-A (OBJECTIVE)
  1. In a tetragonal crystal

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  2. The most unsysmmetrical and symmeterical systems are, respectively:

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  3. Which of the following systems do not give correct discription of axia...

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

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  5. In a compound ,atoms of element Y from ccp lattice and those of elemen...

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  6. A solid compound contains X,Y and Z atoms in a cubic lattice with X at...

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  7. The coordination number of a metal crystallizing in a hexagonal close-...

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

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  9. The simplest unit of three dimensional arrangement of lattice points w...

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  10. The crystal system of a compound with unit cell dimensions a=0.387,b=0...

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  11. If 'Z' is the number of atoms in the unit cell that represents the cl...

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  12. In an ionic compound XY(2)O(4) oxide ions are arranged in ccp. Cations...

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  13. If the number of atoms per unit in a crystal is 2, the structure of cr...

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  14. Which of the following is ferromagnetic compound ?

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  15. The volume of atom present in a face-centred cubic unit cell of a meta...

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  16. The intermetallic compound LiAg crystallizes in cubic lattice in which...

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  17. The ratio of closed packed atoms to tetrahedral holes in cubic close p...

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

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  19. The edge of unit of FC C Xe crystal is 620 pm .The radius of Xe atom i...

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  20. The number of atoms in 100 g an fcc crystal with density d = 10 g//cm^...

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