An ionic compound is expected to have tetrahedral structure if `r_(x)//r_(-)` lies in the range of

Options

A. 0.155 to 0.225
B. 0.732 to 0.414
C. 0.414 to 0.732
D. 0.225 to 0.414

Answer

D

Explanation

For tetrahedral void `r_(+)/r_(-)` range will be `0.225 lt (r^(+))/(r^(-)) 0.414`