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The void between two oppositly directed ...

The void between two oppositly directed planar triangles of spheres in adjacent layers is called

A

Cubic void

B

Tetrahedral void

C

Octahedral void

D

Tetrahedral (or) Octahedrol void

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The correct Answer is:
C
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AAKASH SERIES-SOLID STATE-LEVEL - I (EXERCISE - I)
  1. An octahedral void is surrounded by how many spheres ?

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  2. How many Cl^(-) ions are there around Na^(+) ion in NaCl crystal

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  3. The void between two oppositly directed planar triangles of spheres in...

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  4. In a cubic close packed structure the number of nearest neighbours for...

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  5. Which of the following structure is most uncommon for metals ?

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  6. Which of the following packing is more efficient:

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  7. The packing efficiency in a simple cubic cell system of crystals is

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  8. The packing fraction for a body centred cube

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  9. Density of a crystal is given by :

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  10. The percent of void space in a body - centred cubic lattice is :

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  11. The packing efficiency in a simple cubic cell system of crystals is

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  12. The limiting radius ratio for tetrahedral shape is

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  13. AB is an ionic solid. If the ratio of ionic radii of A^(+) and B^(+) i...

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  14. For an octahedral arrangement the lowest radius ratio limit is

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  15. (A): Thermodynamically all solids possess a tendency to acquire defect...

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  16. At zero kelvin, most of the ionic crystals possess

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  17. In stoichiometric defects, the ratio of positive and negative ions as ...

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  18. In a solid lattice the cation has left a lattice site and is located a...

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  19. Non stoichiometric solid among the following

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  20. Which of the following has both Schottky and Frenkel defects.

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