Q. Which of the following species is least stable?

A) $O_{2}$
B) $O_{2}^{+}$
C) $O_{2}^{-}$
D) $O_{2}^{2 -}$
Explanation

(d)
Stability $\propto$ bond order

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.