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AB crystallizes in a body centred cubic...

AB crystallizes in a body centred cubic lattice with edge length 'a' equal to 387 pm. The distance between two oppositely charged ions in the lattices is

A

250 pm

B

200 pm

C

300 pm

D

335 pm

Text Solution

Verified by Experts

The correct Answer is:
D
For body centred cubic (b.c.c.) lattice, distance between two oppositely charged ions
`d=(sqrt3a)/2 = (sqrt3times387)/2"pm"=335.15"pm"`
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