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The radius of the Na^(+) is 95 pm and th...

The radius of the `Na^(+)` is 95 pm and that of CI ion is 181 pm Predict the coordination number of `Na^(+)` ?

A

4

B

6

C

8

D

unpredictable

Text Solution

Verified by Experts

The correct Answer is:
B
Radius ratio lies between `0.414" to "0.732`. Hence co-ordination number of `Na^(+)`is 6.
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DINESH PUBLICATION-STATES OF MATTER (SOLID STATE CHEMISTRY)-ULTIMATE PREPARATORY PACKAGE
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  2. Which of the following is not a Bravais lattice ?

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  3. Which of the following is not a Bravais lattice ?

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  4. The unit cell that best describe the CsCl crystal lattice is

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  6. At a temperature of absolute zero an intrinsic semiconductor is

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  7. The [111] plane is parallel to

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  8. The edge length of LiCl (NaCl structure) unit cell is 514 pm. Assumi...

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  9. A plane with intercepts 0.5a, 0.25b and 1.5c has the Miller indices

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  10. Graphite at room temperature is

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  11. Which of the following is a p-type semiconductor ?

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  12. Which of the following is an n-type semiconductor ?

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  15. Quartz is

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  16. Which of the following is like copper in electrical conductivity and a...

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  18. The intermetallic compound LiAg crystallizes in a cubic lattice in whi...

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  19. In sphalerite structure C.N. of cation and anion are respectively

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