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In Zns structure S^(-2) ions make FCC la...

In Zns structure `S^(-2)` ions make FCC lattice in which `Zn^(+)` occupies alternate tetrahedral voids. `CIW CaF_(2)` structure `Ca^(+2)` ions make FCC lattice and `F^(-)` ions occupy all the tetrahedral voids.
One mole each of Zns and `CaF_(2)` are taken. What is the ratio of number of unitcells in the sample ? 

A

`1:1`

B

`2:3`

C

`1:2`

D

`2:1`

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The correct Answer is:
A
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AAKASH SERIES-SOLID STATE-PRACTICE SHEET - 5
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  2. Which planes can be found in fluorite structure (unit cell)?

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  3. Which planes are present in Na(2)O structure (unit cell)

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  4. Which of the following solids fuse at modulate temperature ?

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  5. Which systems have more than one unit cell ?

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  6. Which statements are correct ?

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  7. Rocksalt structure consists of FCC arrangment of Cl^(-) ions in which ...

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  8. Rocksalt structure consists of FCC arrangment of Cl^(-) ions in which ...

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  9. Rocksalt structure consists of FCC arrangment of Cl^(-) ions in which ...

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  10. In Zns structure S^(-2) ions make FCC lattice in which Zn^(+) occupies...

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  11. In Zns structure S^(-2) ions make FCC lattice in which Zn^(+) occupies...

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  12. If CaF(2) structure the nearest inter cationic distance in 'x' what is...

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  13. Match the following : {:("COLUMN - I","COLUMN - II"),("A) ABAB ........

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  14. Match the following : {:("COLUMN - I","COLUMN - II"),("A) 'Na' vapou...

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  15. How many unit crystal systems contain only one unit cell ?

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  19. In an oxide Ore half of tetrahedral voids are occupied by A^(+x) ions ...

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  20. 10 moles of NaF and 10 moles of AlF(3) are mixed and uniformly recryst...

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