1.

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 isA. `338` pmB. `390.3` pmC. `292.7` pmD. `507` pm

Answer» Correct Answer - 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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