During change of $O_2$ to $O_2^-$ ion, the electron adds on which one of the following orbitals?
$\pi ^*$ orbital
$\pi$ orbital
$\sigma ^*$ orbital
$\sigma$ orbital
The total number of anti bonding molecular orbitals, formed from $2 \mathrm{~s}$ and $2 \mathrm{p}$ atomic orbitals in a diatomic molecule is_______
Which of the following is correct for ${N_2}$ triple bond
In which of following option is wrong about stability of diatomic molecules
The bond length the species ${O_2},O_2^ + $ and $O_2^ - $ are in the order of
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them