1.

A unit cell consists of a cube in which there are anions Y at each corner and cations X at the centres of alternate faces of unit cell. What is the simplest formula of the compound?

Answer»


Solution :No. of Y anions per unit cell = `8 XX 1/8= 1`
No. of X cations per unit cell = `3 xx 1/2 =3/2`
Formula of the COMPOUND `X_(3//2)` Y or `X_3Y_2`


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