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For a solid w...

Question

For a solid with the following structure, the co-ordination number of the point B is:

A

3

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B

4

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C

5

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D

6

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Solution

The correct option is D
6

It is evident from ﬁgure that B occupies octahedral voids and thus co-ordination number is six.

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Similar questions

For a solid with the following structure, the co-ordination number of the point $B$ is:

Q. Write the co-ordinates of the following points in ordered pair:
Point

A

y

-co-ordinate is

1

x

-co-ordinate is

4

B

x

-co-ordinate is

3

y

-co-ordinate is

- 5

C

x

-co-ordinate is

4

y

-co-ordinate is

0

D

y

-co-ordinate is

6

x

-co-ordinate is

0

.

6 : 6

co-ordination at normal temperature and pressure changes to

8 : 8

co-ordination at high pressure.

Reason: Pressure influences the structure of solids.

8 : 8

co-ordination of

C s C l

at low temperature changes to

6 : 6

co-ordination at

760 K

. Reason: Temperature also influences the structure of solids.

Q. Ions are the constituent particles of ionic solid. Such solids are formed by the three-dimensional arrangement of cations and an ions bounded by strong coulombic forces. These solids are hard and brittle in nature. They have high melting and boiling point. Some information are given in List - I and List - II, match the List-I with List-II

List -I	List II
(I) Co-ordination number of $C a^{2 +} and F^{-}$ in fluorite structure	(P) 8, 4
(II) Co-ordination number of $Z n^{2 +} and S^{2 -}$ in zinc blende structure	(Q) 8, 8
(III) Co-ordination number of $C s^{+} and C l^{-}$ in $C s C l$ (bcc type) structure	(R) 4, 8
(IV) Co-ordination number of $L i^{+} and O^{2 -}$ in antifluorite structure	(S) 4, 4

Which of the following option has the correct combination considering List-I and List-II

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