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  4. The radius ratio of KF is 0.98. The structure of KF is of the type

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Q. The radius ratio of $KF$ is $0.98$. The structure of $KF$ is of the type

NTA AbhyasNTA Abhyas 2022

Solution:

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