Q. Which one of the following pairs of species have the same bond order ?
A) CO, NO
B) $O_2$, $NO^+$
C) $CN^-$, CO
D) $N_2$, $O_2^-$
Explanation
[Solution] $CN^-$ and CO are isoelectronic with $N_2$ (14 electrons): bond order 3. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.