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Which of the following statement is fals...

Which of the following statement is false ?

A

Two tetrahedral voids are formed on each of the four body diagonals of the cube

B

When body centre of the cube is surrounded by six atoms of face centres , an octahedral voids is formed .

C

Tetrahedral void is present at the centre of each of the 12 edges

D

The shortest distance between two octahedral a voids is a/sqrt2 ( a is the edge length of the unit cell).

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-MOCK TEST 15-Example
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  6. Relationship between atomic radius and the edge length a of a body-cen...

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  7. The fraction of the total volume occupied by the atoms present in a si...

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  8. In a close packed structure of mixed oxides , the lattice is composed ...

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  9. An ionic solid A^(o+)B^(Θ) crystallizes as an bcc structure. The dist...

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  10. In a metal M having bcc arrangement edge length of the unit cell is 40...

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  11. A compound XY crystallizes in BCC lattice with unit cell - edge length...

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  12. What are the number of atoms per unit cell and the number of nearest n...

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  13. An elemetnts crystallizes in a face centered cubic lattice and the edg...

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  14. An elements X ("At. mass=80g//mol") has fcc structure. Calculate no. o...

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  15. Moldydenum ("At. mass=96g//mol"^(-1)) crystallizes as bcc crystal. If ...

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  16. The coordination number of metal crystallising in a hexagonal close pa...

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  17. The unit cell present in ABCABC, closet packing of atoms is:

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  18. The atomic radius of strontium (Sr) is 215 p m and it crystallizes wit...

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  19. Crystalline CsCl has density 3.988 g cm^(-3).The volume occupied by si...

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  20. A binary solid ( AB ) has a rock salt structure . If the edge length i...

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