Q. The coordination number of $Na^{+}$in$NaCl$ is
A) 6
B) 8
C) 4
D) 1
Explanation
(a)
In sodium chloride, each ${Na}^{+}$ ion is surrounded by six ${Cl}^{-}$ ions and ${Cl}^{-}$ ion is surrounded by six ${Na}^{+}$ ions. Thus, both the ions have coordination number six.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.