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CsCl has bcc arrangement, its unit cell ...

CsCl has bcc arrangement, its unit cell edge length is 400pm, its inter atomic distance is

A

400 pm

B

800 pm

C

`sqrt(3)xx100` pm

D

`(sqrt(3)/2)xx400` pm

Text Solution

Verified by Experts

The correct Answer is:
D
`sqrt(3)a=r_(Cs^(+))+2r_(Cl^(-))+r_(Cs^(+))`
`(sqrt(3)/2)a=(r_(Cs^(+))+r_(Cl^(-)))" " (sqrt(3)/(2))=400=` inter ionic distance
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