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A compund is made of two elements P and ...

A compund is made of two elements `P` and `Q` are in `ccp` arrangement while atoms `P` occupy all the tetrahedral voids. What is the formula of the compound?

A

PQ

B

`PO_(2)`

C

`P_(2)Q`

D

`P_(3)Q`

Text Solution

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(c ) Suppose number of atoms Q in the ccp arrangement=100 Then, number of tetrahedral sites=200 As all the tetrahedral sites are occupied by atoms P, therefore their number=200 Hence, ratio P:Q=2:1 i.e. the formula is `P_(2)Q`.
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