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A solid is formed and it has three types...

A solid is formed and it has three types of atoms X, Y and Z, X forms a fcc lattice with Y atoms occupying all tetrahedral voids and Z atoms occupying half of octahedral voids. The formula of solid is :-

A

`X_(4)YZ_(2)`

B

`X_(4)Y_(2)Z`

C

`XY_(2)Z_(4)`

D

`X_(2)Y_(4)Z`

Text Solution

Verified by Experts

The correct Answer is:
D
X forms fcc `to 4`
Y occupies THV`to8`
z occupies `(1)/(2)` OHV `to (1)/(2)xx4`
Formula,`X_(4) Y_(8)Z_(2)`
`rArr X_(2)Y_(4)Z`
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