Q. What is the structure of $NaCl$?
A) BCC
B) FCC
C) Interpenetrating $fcc$
D) None of these
Explanation
(b)
$NaCl$ has fcc arrangement of ions. The coordination number of $Cl^{-}$ as well as $Na^{+}$ ion is six. Therefore, it is termed 6 : 6 coordination crystal.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.