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AB crystallises in a bcc lattice with ed...

`AB` crystallises in a bcc lattice with edge length `qa` equal to `387` pm`.The distance between two oppositely chariged ions in the lattice is

A

`335` pm

B

`250` pm

C

`200` pm

D

`300` pm

Text Solution

Verified by Experts

The correct Answer is:
a
For body -centred cubic (bcc) lattice .
Distance between two oppositely charged ions.
` d= (sqrt(3)a)/(2)`
`= (sqrt(3) xx 387)/(2) = 335.15` pm
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