CsBr has bcc like structures with edge length `4.3Å`. The shortest inter ionic distance in between `Cs^(+)` and `Br^(-)` is:

Options

A. `3.72 Å`
B. `1.86 Å`
C. `7.44 Å`
D. `4.3 Å`

Answer

A

Explanation

Distance between `Cs^(+)` and `Br^(-) = (a sqrt(3))/(2) = (4.3 xx 1.732)/(2)`
`= 3.723 Å`