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In Zinc blende structure, Zn^(+2) ions a...

In Zinc blende structure, `Zn^(+2)` ions are present in alternate tetrahedral voids and `S^(-2)` in ccp. The coordination number of `Zn^(+2)` and `S^(-2)` are respectively

A

8,8

B

4,4

C

4,8

D

8,4

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The correct Answer is:
B
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AAKASH INSTITUTE-THE SOLID STATE -ASSIGNMENT SECTION-B (OBJECTIVE)
  1. In a solid lattice the cation has left a lattice sirte and is located ...

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  2. In Zinc blende structure, Zn^(+2) ions are present in alternate tetrah...

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  3. Which one of the following statements is incorrect ?

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  4. An element (At. Mass =50 g/mol) having fcc structure has unit cell edg...

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  5. The edge length of a face centred unit cubic cell is 508 pm. If the ra...

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  6. In a crystalline solid, anions B are arranged in ccp structure. Cation...

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  7. A TV in fcc is formed by atoms at

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  8. Which of the following has highest number of formula units per unit ce...

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  9. Which defect causes decreases in the density of crystal?

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  10. The number of atoms in 100 g an fcc crystal with density d = 10 g//cm^...

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  11. Element x,y and z crystallize in primitive , face centered and body ce...

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  12. Zinc sulphide exists in two different structural forms as zinc blende ...

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  13. F-Centres are:

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  14. Tetrahedral voids is surrounded by four atoms. Which atoms in the give...

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  15. Which of the following is a covalent solid ?

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  16. What type of defects are represented by given figure ?

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  17. If the unit cell edge length of NaCl crystal is 600 pm, then the densi...

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  18. Quartz on strong heating followed by rapid cooling gives glass which i...

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  19. A solid has a structure in which W atoms are located at the corners of...

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  20. Lithium crystallizes in a body centred cubic lattice. How many next-ne...

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