During the change of $O_2$ to $O_2^-$, the incoming electron goes to the orbital
$\pi_{2p_y}$
$\pi_{2p_x}$
${\pi^*}_{2p_x}$
${\sigma ^*}_{2p_z}$
In which of the following pairs molecules have bond order three and are isoelectronics
Of the species, $NO , NO ^{+}, NO ^{2+}, NO ^{-},$ the one with minimum bond strength is :
During change of $O_2$ to $O_2^-$ ion, the electron adds on which one of the following orbitals?
Compare the relative stability of the following species and indicate their magnetic properties;
$O _{2}, O _{2}^{+}, O _{2}^{-}$ (superoxide), $O _{2}^{2-}$ (peroxide)
Which of the following molecular orbitals has maximum number of nodal planes ?