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For tetrahedral co-ordination the radius...

For tetrahedral co-ordination the radius ratio `(r^(+) //r^(-))`should be

A

`0.414 - 0.732`

B

`0.732-1.0`

C

`0.156-0.225`

D

`0.225-0.414`

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-THE SOLID STATE -Assignment (SECTION - A) (OBJECTIVE TYPE QUESTION)
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  2. Ice crystallises in hexagonal lattice having volume of unit cell is 13...

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

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  4. The radius of the Na^(+) is 95 pm and that of CI ion is 181 pm Predict...

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

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

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

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

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

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

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  11. KF has NaCl type of structure. The edge length of its unit cell has be...

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  12. Which of the following features is false regarding the structure of Cs...

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  13. Which type of solids will have the highest melting point ?

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  14. The mass of unit cell of Na(2)O is

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  15. In normal spinel structure there is a closed packed array of O^(2-) io...

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  16. The C - C and Si - C interatomic distances are 154 pm and 188 pm. The ...

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  17. What is the coordination number of Rb^(+) in RbBr unit cell if ionic r...

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  18. A crystalline solid AB has NaCl type structure with radius of B^(-) io...

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  19. Number of formula units in unit cell of MgO (rock salt), ZnS (zinc ble...

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  20. An element crystallises in a b.c.c. lattice. Nearest and next nearest ...

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