Question
Which compound has antifluorite structure?
BITSAT
Chemistry
Solid State
2022
BITSAT 2022
BITSAT Chemistry Question (2022) — Solution
Options
- A. MnO _4
- B. Na _2 O
- C. Na _2 O _2
- D. Li _2 O _2
Answer
B. Na _2 O
Step-by-step solution
Anti-fluorite structure refers to an anion array with tetrahedral cations and the compound having A_2 B formula have anti-fluorite structure. So, Na _2 O has an anti-fluorite structure in which Na ^ + ions occupy all the tetrahedral voids and O ^ 2- occupy half of the cubic holes.
Related: Chemistry — Solid State · All PYQ Banks