Which of the following is not paramagnetic
${O_2}$
$O_2^{1 + }$
$O_2^{2 - }$
$O_2^ - $
Total number of electron present in $\left(\pi^*\right)$ molecular orbitals of $\mathrm{O}_2, \mathrm{O}_2^{+}$and $\mathrm{O}_2^{-}$is ............
Which of the following is paramagnetic
Consider the ions/molecule
$O _{2}^{+}, O _{2}, O _{2}^{-}, O _{2}^{2-}$
For increasing bond order the correct option is ..... .
Which of the following is paramagnetic ?
According to molecular theory, the species among the following that does not exist is