Q. Which of the following statements is not true about $NaCl$ structure?
A) $CI^{-}$ ions are in fcc arrangement
B) $Na^{+}$ ions has coordination number 4
C) $CI^{-}$ ions has coordination number 6
D) Each cell contains 4 $NaCl$ molecules
Explanation
(b)
In rock salt structure, the coordination number of $Na^{+}:CI^{-}$ is 6 : 6
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.