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If the radius of Cs^(+) si 169p m and th...

If the radius of `Cs^(+)` si `169p m` and that of `Cl^(-)` is `181 p m`, then find the co`-` ordination number of `Cs^(+)`

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The correct Answer is:
8
`(r^(+))/(r^(-))=(169)/(181)=0.94`
`:'` Radius ratio`gt0.732`
`:. CsCl` crystallizes in `b.c.c.` lattice with co`-` ordination
`no . `of `Cs^(+)=8`
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