1.

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

Answer»

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

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