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A compound formed by elements A and B cr...

A compound formed by elements A and B crystallises as FCC lattice. If A is present at the lattice points of unit cell and B occupy half of tetrahedral voids as well as one fourth of octahedral voids then the formula of the compound will be

A

`A_(2)B_(5)`

B

`A_(3)B_(2)`

C

`A_(4)B_(5)`

D

`A_(2)B_(3)`

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