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The number of octahedral voids in case o...

The number of octahedral voids in case of hcp unit cell is

A

`6`

B

`12`

C

`4`

D

`8`

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE-MOCK TEST 15-Example
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  2. You are given 6 identical balls . The maximum number of square voids a...

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  3. The number of octahedral voids in case of hcp unit cell is

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  4. The number of nearest neighbours of each sphere in hexagonal closed pa...

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  5. In an arrangement of type ABABA .... identical atoms of first layer ( ...

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  6. Given an alloy of Cu, Ag and Au in which Cu atoms constitute the ccp a...

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  7. Which of the following statement is false ?

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  8. In fcc , a tetrahedral void is formed by atoms at

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  9. The relation between atomic radius ( r ) and edge length ( a ) a face ...

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  10. The fraction of the total volume occupied by atoms in a simple cube is

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

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  12. An ionic solid AB crystallizes as a bcc structure . The distance betwe...

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

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

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

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  16. An element crystallizes in a fcc lattice and the edge length of the un...

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  17. An element X ( molar mass = 80 g / mol ) having fcc structure , calcul...

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  18. Molybdenum ( molar mass 96 g crystallizes as bcc crystal . If density...

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  19. The coordination number of a metal crystallising a hcp structure is

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  20. The unit cell present in ABCABC closed packing of atoms is

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