Which of the following molecular orbital has two nodal planes
${\sigma _{1s}}$
$\sigma _{2s}^*$
${\sigma _{2pz}}$
$\pi _{2px}^*$
$AX$ is a covalent diatomic molecule where $A$ and $X$ are second row elements of periodic table. Based on Molecular orbital theory, the bond order of $AX$ is $2.5$. The total number of electrons in $AX$ is ........... (Round off to the Nearest Integer).
In which of the following transformations, the bond order has increased and the magnetic behaviour has changed ?
In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one?
The correct order of bond length is :-
In which of the following pairs of molecules/ions, both the species are not likely to exist?