1.

A solid compound contains X, Y and Z atoms in a cubinc lattice with X atoms occupying ht corners. Y atoms in the body centred positions and Z atoms at tjee centres of faces of the unit cell. What is the empricial formula of the comound?

Answer»

`XY_(2)Z_(3)`
`XYZ_(3)`
`X_(2)Y_(2)Z_(3)`
`X_(8)YZ_(6)`

SOLUTION :(b) `Z_(x)=(1)/(8)xx8=1` `Z_(y)=1` "["At BODY centre']", `Z_(3)=3` "["At face centre"]"


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