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A solid has a b.c.c. structure . If the ...

A solid has a `b.c.c.` structure . If the distance of closest approach between the two atoms is `1.73 Å`. The edge length of the cell is `:`

A

200 pm

B

`sqrt3 // sqrt2` pm

C

142.2 pm

D

`sqrt2` pm

Text Solution

Verified by Experts

The correct Answer is:
A
closest approach between two atoms=2r
In BCC `4r = sqrt3a`
distance between adjacent atoms`(2r)= (sqrt3a)/(2)`
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