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In a hypothetical ionic crystal, B is ar...

In a hypothetical ionic crystal, B is arranged in cubic close packing and A occupies all octahedral voids and alternative tetrahedral voids. The correct formula of the compound 

A

`AB`

B

`A_(2)B_(3)`

C

`AB_(2)`

D

`A_(2)B`

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The correct Answer is:
D
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AAKASH SERIES-SOLIDS STATE-PRACTICE EXERCISE
  1. (A): ABAB ..... pattern of close packing gives hcp arrangement (R): ...

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  2. In a cubic arrangement of A and B atoms, A atoms are at corners of uni...

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  3. In a hypothetical ionic crystal, B is arranged in cubic close packing ...

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  4. In an ionic crystal, cation "A" occupiesthe  lattice points in a FCC a...

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  5. A solid is made up of two types of atoms "X" and "Y". Atoms of "X" occ...

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  6. (A) : In many crystal structures of ionic substances cations occupy th...

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  7. In a compound oxide ions have CCP arrange ment. Cations A are present ...

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  8. An alloy of Cu, Ag and Au is found to have copper onstituting the CCP ...

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  9. In polonium the total space occupied by the atoms in its crystal latti...

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  10. Edge length of a cube is 400 pm. Then its bodydiagonal length would be

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  11. Copper crystallises in fcc with a unit cell length of 361 pm. What is ...

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  12. Ar crystallizes in a F.C.C lattice with one atom at each lattice point...

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  13. Sodium  crystalises in body centred cubic lattice. The edge length of ...

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  14. A metallic element exists in simple cubic structure. Each edge length ...

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  15. At room temperature, Polonium (atomic weight 209 gm mol^(-1)) crystall...

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  16. Iron (alpha-from) crystallises in a body - centred cubic system with e...

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  17. A crystalline solid substance has a density of 10 g//cm^(3) and the le...

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  18. An element crystallises in a structure having a f.c.c unit cell of an ...

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  19. A substance forms f.c.c. crystal structure. Its density is 1.984 gm cm...

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  20. The density of crystalline NaCl is 2.165 gm cm^(-3). What would be the...

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