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An ionic solid A^(o+)B^(Θ) crystallizes ...

An ionic solid `A^(o+)B^(Θ)` crystallizes as an bcc structure. The distance between cation and anion in the lattice is `338 pm`. The edge length of cell is

A

`338` pm

B

`390.3` pm

C

`292.7` pm

D

`507` pm

Text Solution

Verified by Experts

The correct Answer is:
B
For bcc,
`(r_(o+) + r_(ɵ)) = (sqrt(3))/(2)a`
`338 "pm" = (sqrt(3))/(2)a rArr a = 390.3 "pm"`
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