Q. Which amongst the following is incorrect statement
A) $O_2^+$ ion is diamagnetic.
B) The bond orders of $O_2^+$, $O_2$, $O_2^-$ and $O_2^{2-}$ are 2.5, 2, 1.5 and 1, respectively
C) $C_2$ molecule has four electrons in its two degenerate $\pi$ molecular orbitals.
D) $H_2^+$ ion has one electron.
Explanation
[Solution] $O_2^+$ has one unpaired electron in a $\pi^*$ orbital, so it is paramagnetic. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.