In a compound, atoms of element Y form ccp lattice and those of element X occupy the corners, Y atoms in the body centred positions and Z atoms at the centres of faces of the unit cell. What is the empiricalformula of the compound ?

In a compound, atoms of element Y form ccp lattice and those of elemen

1.	In a compound, atoms of element Y form ccp lattice and those of element X occupy the corners, Y atoms in the body centred positions and Z atoms at the centres of faces of the unit cell. What is the empiricalformula of the compound ?
Answer» `XY_(2)Z_(3)` `XYZ_(3)` `X_(2)Y_(2)Z_(3)` `X_(8)YZ_(6)` SOLUTION :No. of ATOMS of X per unit CELL `=8times 1/8 = 1`(at corners) No. of atoms of Y per unit cell = 1 (at body centre) No. of atoms of Z per unit cell =`6times 1/2 = 3` (at face centres) `therefore "formula is "XYZ_(3)`