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In a face centered lattice of X and Y, X...

In a face centered lattice of X and Y, X atoms are present at the corners while Y atoms are at face centres.
(a) What is the formula of the compound ?
(b) What would be the formula of the compound if (i) one of the X atoms is missing from a corner in each unit cell
(ii) one of the X atoms at from a corner is replaced by Z atom. (also monovalent) ?

A

`X_(7)Y_(24)Z_(2)`

B

`X_(7)Y_(24)Z`

C

`X_(24)Y_(7)Z`

D

`XY_(24)Z`

Text Solution

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The correct Answer is:
B
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RESONANCE ENGLISH-SOLID STATE-Exercise -2 (Part-I)
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  10. Platinum crystallize in a face-centred cubic crystal with a unite cell...

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  11. Platinum crystallises in a face centered cube crystal with a unit cell...

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  12. Gold has a face centered cubic lattice with an edge length of the unit...

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