Question

In NaCl structure,

• A. All octahedral and tetrahedral sites are occupied
• B. Only octahedral sites are occupied
• C. Only tetrahedral sites are occupied
• D. Neither octahedral nor tetrahedral sites are occupied.

Answer 1

Answer: (B)

Only octahedral sites are occupied

Answer 2

Octahedral sites are occupied by $Na^{+}$ions in NaCl structure.