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A body centered cubic solid is made up o...

A body centered cubic solid is made up of two elements A and B. Atoms of 'A' occupy two corners of the cube. Remaining positions of the unit cell are occupied by the atoms of 'B'. The formula of the compound in

A

`A_4B_7`

B

`A_7B_4`

C

`AB_7`

D

`A_7B`

Text Solution

Verified by Experts

The correct Answer is:
C
In BCC atoms are present at corners and body centre
atoms of `A = 3 xx 1/8` (2 corners)
atoms of B ` = 6 xx 1/6 ` (6 corners ) + (1 x ) (body centres)
`A_(1/4) B_(7/4) = AB_7`
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