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Packing refers to the arrangement of con...

Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is the maximum and the contituents occupy the maximum available space. In two dimensions, there are hexagonal close packing and cubic close packing. In three dimentions, there are hexagonal, cubic as well as body centred close packings.
The pattern of successive layers in ccp arrangement is:

A

AB, AB, AB... Etc.

B

AB, ABC, AB...etc.

C

ABC, ABC, ABC...etc.d

D

none of these

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The correct Answer is:
C
` ccp -=ABC-ABC` type of packing .
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Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is the maximum and the contituents occupy the maximum available space. In two dimensions, there are hexagonal close packing and cubic close packing. In three dimentions, there are hexagonal, cubic as well as body centred close packings. The space occupied by spheres in bcc arrangement is:

Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is the maximum and the contituents occupy the maximum available space. In two dimensions, there are hexagonal close packing and cubic close packing. In three dimentions, there are hexagonal, cubic as well as body centred close packings. The empty space left in hcp packing is:

Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is the maximum and the contituents occupy the maximum available space. In two dimensions, there are hexagonal close packing and cubic close packing. In three dimentions, there are hexagonal, cubic as well as body centred close packings. A certain oxide of a metal M crystallises in such a way that O^(2-) ions occupy hcp arrangement following ABAB... pattern. The metal ions however occupy 2//3 rd of the octahedral voids. The formula of the compound is :

Cubic close packing arrangement is also referred to as:

NIKITA PUBLICATION-SOLID STATE -Multiple Choice Questions (III. PACKING OF CONSTITUENT PARTICLES, RADIUS RATIO )
  1. The arrangement of the first two layers, one above the other, in hcp a...

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  2. The vacant space in bcc lattice unit cell is :

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  3. Packing refers to the arrangement of constituent units in such a way t...

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  4. Close packing is maximum in the crystal which is

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  5. The number of atoms per unit cell in bcc lattice is

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  6. In a closest packed lattice, the number of tetrahedral voids formed wi...

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  7. If in a closest packed arrangement r is the radius of the sphere respr...

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  8. In the crystals structures of sodium chloride, the arrangement of Cl^(...

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  9. If the corrdination number of an element in its crystal lattice is 8, ...

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  10. The total number of identical spheres required in cubic close packing ...

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  11. The vacant space in bcc lattice unit cell is :

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  12. the correct order of the packing effeciency in different types o...

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  13. If in a closest packed arrangement r is the radius of the sphere respr...

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  14. Which of the following does not adopt hcp structure ?

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  15. What is the coordination number in a square close packed structures in...

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  16. The regular three dimensional arrangement of points in a crystal is kn...

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  17. All nobe gases crystallise in the ccp kstructure except

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  18. ccp as same as with

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  19. The arranegement ABC, ABC, ABC ……. is referred as

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  20. Which of the following crystallizes in fcc structrue ?

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