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In a closed packed structure...

In a closed packed structure

A

tetrahedral voids are bigger than octahedral

B

tetrahedral voids are smaller than octahedral

C

tetrahedral voids are equal in size as octahedral

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
T.V < O.V
`r/R ` of T.V = 0.225
` r/R` of O.V = 0.414
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NARAYNA-SOLID STATES-EXERCISE-3
  1. Which of the following statement is not correct?

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  2. The number of atoms in a cubic based unit cell having one atom on each...

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  3. In a closed packed structure

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  4. Oxidation states of X,Y,Z are +2,+5 and -2 respectively. Formula of th...

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  5. Schottky defect to crystals is observed when

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  6. The edge length of a cube is 400 pm .its body diagonal would be

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  7. Assertion :No compound has both schottky and frenkel defect Reason ...

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  8. With Which one of the following elements silicon should be doped so as...

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  9. The percentage of free space in a body centred cubic unit cell is

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  10. If 'a' stands for the edge length of the cubic systems: simple cubic,b...

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  11. The structure of TICI is silmilar to CsCI .What would be the radius r...

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  12. The maximum number of Bravais lattices is shown by tetragonal-type cry...

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  13. Which property makes the crystalline solids to have sharp melting poin...

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  14. Sodium crystallises in bcc arrangement with the interfacial separation...

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  15. Lithium metal crystallizes in a body centred cubic crystals. If the le...

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  16. Copper crystallises in face-centred cubic lattice with a unit cell len...

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  17. In Na2O, having antifluorite structure

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  18. Three element A,B,C crystallize into a cubic solid lattice.Atoms A occ...

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  19. A compound is formed by elements A and B. This crystallises in the cub...

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  20. How many chloride ions are there around sodium ion in sodium chloride ...

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