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In ionic solids AB and CD , radius -rati...

In ionic solids AB and CD , radius -ratios are x and y respectively. If x +y=0.75 and x-y=0.25 then cations in AB and CD are respectively in

A

T-voids, O-voids

B

O-voids , T-voids

C

T-voids, T-voids

D

O-voids , O-voids

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The correct Answer is:
B
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AAKASH INSTITUTE-THE SOLID STATE -ASSIGNMENT SECTION-B (OBJECTIVE)
  1. Which of the following has highest number of formula units per unit ce...

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

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

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

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

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  6. F-Centres are:

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

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  8. Which of the following is a covalent solid ?

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

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

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

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

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

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

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  15. In an ionic compound XY(2)O(4) oxide ions are arranged in ccp. Cations...

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  16. Analysis shows that nickel oxide has the formula Ni(0.98)O(1.00). What...

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  17. A metal crystallizes into two cubic phases, face-centred cubic and bod...

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  18. In diamond , the C.N. of carbon and number of carbon atoms per unit ce...

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  19. If the total number of atoms per unit cell in an hcp structure and a b...

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  20. In ionic solids AB and CD , radius -ratios are x and y respectively. I...

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