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CsCl crystalises in body centred cubic l...

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

A

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

B

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

C

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

D

`r_(Cs^+) +r_(Cl^-)=sqrt3alpha`

Text Solution

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The correct Answer is:
C
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