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CsClcrystallizes in body centred cubic l...

`CsCl`crystallizes in body centred cubic lattice. If `'a'` is its edge length then which of the following expressions is correct ?

A

`r_(Cs^(+) ) + r_(Cl^(-) ) = (sqrt3)/(2) a `

B

`r_(Cs^(+) ) + r_(Cl^(-) ) = sqrt3 a `

C

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

D

`r_(Cs^(-) ) + r_(Cl^(-) ) = (3a)/(2)`

Text Solution

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The correct Answer is:
A
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