A substance `A_xB_y` crystallises in a face centered cubic (fcc) lattice in which atoms `A` occupy each corner of the cu

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Q 1138756602.     A substance `A_xB_y` crystallises in a face centered cubic (fcc) lattice in which atoms `A` occupy each corner of the cube and atoms `B` occupy the centers of each face of the cube. Find the correct composition of the substance `A_xB_y`.
JEE 2002 Prelims
A

`A_3B_2`

B

`A_4B_3`

C

`AB_3`

D

`A_3B_4`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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