Which is not paramagnetic
${O_2}$
$O_2^ + $
$O_2^{2 - }$
$O_2^ - $
$\sigma _{2s}^*$ orbital is similar to ....... orbital
Which one is paramagnetic from the following
Stability of the species $Li_2, Li_2^-$ and $Li_2^+$ increases in the order of :
The bond order of a molecule is given by
Which of the following molecular orbital has two nodal planes