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  4. Identify the type of crystalline structure adopted by KF solid from the following, if the radius ratio of KF is 0.98 .

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Q. Identify the type of crystalline structure adopted by $KF$ solid from the following, if the radius ratio of $KF$ is $0.98$ .

NTA AbhyasNTA Abhyas 2022

Solution:

As $\frac{r +}{r -}$ lies in the range $0.732 - 1.000$. Hence co-ordination number is $8$ and $KF$ is of $CsCl$ type.