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CsCl crystallises in body centred cubic ...

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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