Which of the following species contain only $\pi \,-\,$ bond but exhibit paramagnetic nature ?
$C_2$
$B_2$
${O_2}^{-1}$
$N_2$
Molecular orbital theory was developed mainly by
What is bond order according to Lewis ? Write structure and bond order of ${{\rm{H}}_2}{\rm{,}}{{\rm{O}}_2},{{\rm{N}}_2},{\rm{CO}},{\rm{NO}}$.
Which of the following diatomic molecular species has only $\pi$ bonds according to Molecular Orbital Theory?
Which of the following molecule is paramagnetic
Which of the following is diamagnetic