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A unit cell is obtained by closed packin...

A unit cell is obtained by closed packing layers of atoms in ABAB …… pattern. The total number of tetrahedral and octahedral voids in the unit cell are respectively

A

6, 12

B

8, 4

C

4, 8

D

12, 6

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-THE SOLID STATE -Assignment (SECTION - A) (OBJECTIVE TYPE QUESTION)
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  2. The site labelled as 'X' in fcc arrangement is

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  3. A unit cell is obtained by closed packing layers of atoms in ABAB …… p...

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  4. In certain solid, the oxide ions are arranged in ccp. Cations A occupy...

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  5. A solid has a structure in which A atoms are located at the cube corne...

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  6. If a is the length of unit cell, then which one is correct relationshi...

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  7. For face centered cubic structure edge length 'a' can be related with ...

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  8. A crystalline solid AB adopts sodium chloride type structure with edge...

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  9. If radius of an octahedral void is r and atomic radius of atoms assumi...

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  10. Polonium adopts cubic structure with edge length of cube being 0.336 n...

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  11. CsCl has bcc structure with Cs^(+) at the centre and Cl^(-) ion at eac...

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

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  13. For tetrahedral co-ordination the radius ratio (r^(+) //r^(-))should b...

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  14. The radius of Na^+ ion is 95 pm and that of Cl^- ion is 181 pm. Predic...

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  15. Lithium metal has a body centred cubic structure. Its density is 0.53g...

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  16. What is the volume of a face centred cubic unit cell, when its density...

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  17. The number of octahedral sites in a cubical close pack array of N sphe...

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  18. For a solid with the following structure, the coordination number of t...

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  19. The empty space between the shaded balls and hollow balls as shown in ...

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  20. A mineral having the formula AB(2), crystallises in the cubic close -p...

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