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In a compound ,atoms of element Y from c...

In a compound ,atoms of element Y from ccp lattice and those of element X occupy 2/3rd tetrahedral voids.The formula of the compound will be:

A

`X_(3)Y_(4)`

B

`X_(4)Y_(4)`

C

`X_(2)Y_(3)`

D

`X_(2)Y.`

Text Solution

Verified by Experts

The correct Answer is:
B
No. of atoms of 'Y' per unit cell in ccp arrangement `=4`
No. of tetrahedral voids `=2xx4=8`
No. of tetrahedral voids occupied by `'X' =2//3xx8=16//3`
Formula of the compound `X_(16//3)Y_(4)=X_(4)Y_(3)`
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