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The Ca^(2+) and F^(-) ions arc located i...

The `Ca^(2+)` and `F^(-)` ions arc located in `CaF_(2)` crystal respectively at face centred cubic lattice points and in

A

tetrahedral voids

B

half of tetrahedral voids

C

octahedral voids

D

half of octahedral voids

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The correct Answer is:
A
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OP TANDON-STATES OF MATTER (SOLID STATE)-OBJECTIVE QUESTIONS (LEVEL -A)
  1. Which one has the highest melting point ?

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  2. For an ionic crystal of the formula AX and cooradition number 6, the v...

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  4. In the calcium fluoride structure, the coodination number of the catio...

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  5. The unit cell of a binary compound of A and B metals has a ccp structu...

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  6. The unit cell with crystallographic dimensions, a ne b ne c, alpha =ga...

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  7. Which of the following statement is not true about amorphous solids?

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  8. Which defect cause decrease in the density of crystal?

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  9. For tetrahedral coordination number, the radius ratio (r(c^(+)))/(r(a^...

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  10. What is the total number of ions present in one unit cell of sodium ch...

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  11. The formula for determination of density of cubic unit cell is :

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  12. The closeest-packing sequence ABAB….represents:

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  13. The ABC ABC type packing is called ……….. .

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  14. The edge length of face centred cubic cell of an ionic substance is 5...

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  15. Close packing is maximum in the crystal lattice of :

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  16. The ratio between the root mean square speed of H(2) at 50 K and that ...

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  17. Schottky defect in a crystal arises due to

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  18. Copper crystallises in face-centred cubic lattice with a unit cell len...

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  19. The second order Bragg diffraction of X rays with lambda=Å form a set ...

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  20. The structure of crystalline silica is similar to that of

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