Q. In an antifluorite structure, cations occupy
A) Octahedral voids
B) Centre of cube
C) Tetrahedral voids
D) Corners of cube
Explanation
(c)
In antifluorite structure, the anions are oxide ions. The oxide ions form a face centred cubic array and the metal ion (cation) fill half of the tetrahedral voids. $e.g$., -${Na}_{2}O.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.