Which of the following contains $(2C -1e^-)$ bond
$H_2^+$
$O_2$
$H_2$
$O_2^{2-}$
The correct molecular orbital diagram for $\mathrm{F}_2$ molecule in the ground state is
The bond order of a molecule is given by
The total number of molecular orbitals formed from $2 \mathrm{~s}$ and $2 \mathrm{p}$ atomic orbitals of a diatomic molecule
How many molecular orbitals filled with one or more electrons present in $N_2^+$ ?
In which of the following transformations, the bond order has increased and the magnetic behaviour has changed ?