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While placing the second layer over that...

While placing the second layer over that first layer , if the sphere of the second layer is above the void of the first layer, the void formed is

A

Tetrahedral

B

Octahedral

C

Both a and b

D

Hexagonal

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Verified by Experts

The correct Answer is:
A
If the sphere of the second layer is above the void of the first layer, the void formed is tetrahedral.
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All real structures are three dimensional structures. They can be obtained by stacking two dimensional layers one above the other while placing the second square dose packed layer above the first we follow the same rule that was followed when one row was placed adjacent to the other. The second layer is placed over the first layer such that the spheres of the upper layer are exactly above there of the first layer. In his arrangement spheres of both the layers are perfectly aligned horizontally as well as vertically. A metallic element crystallise into a lattice having a ABC ABC pattern and packing of spheres leaves out voids in the lattice. Which of the following statements not true for the amorphous and crystalline solids?

All real structures are three dimensional structures. They can be obtained by stacking two dimensional layers one above the other while placing the second square dose packed layer above the first we follow the same rule that was followed when one row was placed adjacent to the other. The second layer is placed over the first layer such that the spheres of the upper layer are exactly above there of the first layer. In his arrangement spheres of both the layers are perfectly aligned horizontally as well as vertically. A metallic element crystallise into a lattice having a ABC ABC pattern and packing of spheres leaves out voids in the lattice. Name the non-stoichiometric point defect responsible for colour in alkali metal halides.

All real structures are three dimensional structures. They can be obtained by stacking two dimensional layers one above the other while placing the second square dose packed layer above the first we follow the same rule that was followed when one row was placed adjacent to the other. The second layer is placed over the first layer such that the spheres of the upper layer are exactly above there of the first layer. In his arrangement spheres of both the layers are perfectly aligned horizontally as well as vertically. A metallic element crystallise into a lattice having a ABC ABC pattern and packing of spheres leaves out voids in the lattice. What is the total volume of atoms in a face centred cubic unit cell of a metal? (r is atomic radius).

All real structures are three dimensional structures. They can be obtained by stacking two dimensional layers one above the other while placing the second square dose packed layer above the first we follow the same rule that was followed when one row was placed adjacent to the other. The second layer is placed over the first layer such that the spheres of the upper layer are exactly above there of the first layer. In his arrangement spheres of both the layers are perfectly aligned horizontally as well as vertically. A metallic element crystallise into a lattice having a ABC ABC pattern and packing of spheres leaves out voids in the lattice. Which of the following statements is not true for unit cell?

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLID STATE-EXERCISE 1
  1. When the centres of the four immediate neighbouring spheres are joine...

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  2. If the number of close packed sphere be N, then the number of octahedr...

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  3. While placing the second layer over that first layer , if the sphere o...

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  4. In an antiflourite structure, cations occupy

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  5. The numbers of tetrahedral and octahedral holes in a ccp array of 100 ...

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  6. The total number of octahedral void (s) per atom present in a cubic cl...

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  7. Total no. of voids in 0.5 mole of a compound forming hexagonal closed ...

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  8. Point out the correct statement for the set of characteristics of ZnS ...

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  9. In which of the following crystals, alternate tetrahedral voids are oc...

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  10. The ionic radii of Rb^(+) and I^(-) are 1.46 and 2.16Å. The most proba...

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  11. A solid is formed by two elements P and Q . The element Q forms cubic ...

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  12. Match the following

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  13. The cubic unit cell of a metal (molar mass= 63.55 "mol"^(-1)) has an e...

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  14. Xenon crystallizes in the face-centred cubic lattice and the edge of t...

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  15. How many unit cells are present in a cube-shaped crystal of NaCl of ma...

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  16. The pyknometric density of sodium chloride crystal is 2.165xx10^(3)kg ...

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  17. The molar volume of KCl and NaCl are 37.46 mL and 27.94mL respectively...

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  18. Nickle crystallise in a fcc unit cell with a cell edge length of 0.352...

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  19. Iron crystallises in a bcc system with a lattice parameter of 2.861 Å....

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  20. An element having an atomic radius of 0.14 nm crystallises in a fcc un...

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