1.

An ionic compound A_(x)B_(y) crystallizes in fcc type crystal structure with B ions at the centre of each face and A ion occupying centre of the cubic, the correct formula A_(x)B_(y) is …………..

Answer»

AB
`AB_(3)`
`A_(3)B`
`A_(8)B_(6)`

SOLUTION :Hint : `"Number of A ions"=((N_(c))/(8))=((8)/(8))=1`
`"Number of B ions "=((N_(f))/(2))=((6)/(2))=3" Simplest formula AB"_(3)`


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