If the value of ionic radius ratio (r_c/r_a) is 0.52 in an ionic compound, the geometrical arrangement of ions in crystal is........

Question

If the value of ionic radius ratio \(\left(\frac{r_C}{r_a}\right)\) is 0.52 in an ionic compound, the geometrical arrangement of ions in crystal is ......... 

(A) tetrahedral

(B) planar triangular

(C) octahedral

(D) cubic

Answer 1

Correct answer is: (C) octahedral