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A cubic solid is made of two elements P ...

A cubic solid is made of two elements P and Q. Atoms Q are at the corners of the cube and P at the body centre. What is the formula of the compound?

A

PQ

B

`PQ_(2)`

C

`P_(2)Q`

D

`PQ_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Since anions (Q) occupy the corners of the cube,the number of ions Q per unit cell is `8times1/8=1` Since cation occupies the centre of the cube,the number of (P) ions per unit cell=1.
The formula of the compound is PQ.
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