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A compound is formed by two elements X a...

A compound is formed by two elements `X` and `Y`. Atoms of the element `Y` (as anion) make ccp and those of element `X` (as cation) occupy all the octahedral voids. What is the formula of the compound?

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The ccp lattice is formed by the element Y. The number of octahedral voids generated would be equal to the number of atoms of Y present in it. Since all the octahedral voids are occupied by the atoms of X, their number would also be equal to that of the element Y. Thus, the atoms of elements X and Y are present in equal numbers or 1:1 ratio. Therefore, the formula of the compound is XY.
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NARAYNA-SOLID STATES-EXERCISE-4
  1. A compound is formed by two elements X and Y. Atoms of the element Y (...

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  2. The volume of the HCP unit cell is

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  3. A metal oxide crystallise in a hexagonal close packed array of oxide i...

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  4. Ice crystallises in hexagonal lattice having volume of unit cell is 13...

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  5. The metal calcium crystallises in fcc unit cell with a = 600 pm. Calcu...

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  6. Ionic radii of Mg^(2+) and O^(2-) ions are 66pm and 140pm respectively...

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  7. An element cyrstallizes in a structure having F.C.C. unit cell of an e...

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  8. Iron has body centred cubic lattice. If the edge length of the unit ce...

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  9. LiCl has rock salt structure, with an edge length of 6.0Å. If anions ...

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  10. Aluminium crystallizes in a cubic close packed structure. Its metallic...

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  11. In face - centred cubic (fcc) crystal lattice, edge length is 400 pm....

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  12. Ammonium chloride crystallizes in a body-centred cubic lattice with a ...

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  13. First order X-ray reflection (lambda=154pm) is maximum from a set of (...

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  14. The volume of atom present in a face-centred cubic unit cell of a meta...

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

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  16. The edge length of a face centred cubic cell of an ionic substance is ...

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  17. Lithium forms body centred cubic structure. The length of the side of ...

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  18. CsClcrystallizes in body centred cubic lattice. If 'a' is its edge len...

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  19. There is a collection of crystalline substances in a hexagonal closed ...

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