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In a crystalline solid, X atoms occupy h...

In a crystalline solid, X atoms occupy hcp and `1//4` th of tetrahedral coids are occupied by Y atoms. Then empirical formula of crystalline solid is

A

`X_(2)Y`

B

`XY_(2)`

C

`X_(4)Y`

D

`XY`

Text Solution

Verified by Experts

The correct Answer is:
A
`X rarr 12 xx (1)/(6) + 3 + 2 xx (1)/(2) = 6`
`Y = 12 xx (1)/(4) = 3 X_(6)Y_(3) rArr X_(2) Y`
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