`CsCl` crystallises in body centred cubic lattice. If `‘a’` is its edge length then which of the following expressio

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Q 1134134952.     `CsCl` crystallises in body centred cubic lattice. If `‘a’` is its edge length then which of the following expressions is correct?
JEE-MIS 2014
A

` r_(Cl^-) + r_(Cs^+) = (3a)/4`

B

`r_(Cl^-) + r_(Cs^+) = 3a`

C

`r_(Cl^-) + r_(Cs^+) = (sqrt3a)/2`

D

`r_(Cl^-) + r_(Cs^+) = sqrt3a`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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