Number of molecules/species from the following having one unparred electron $15$. . . . . . $\mathrm{O}_2, \mathrm{O}_2^{-1}, \mathrm{NO}, \mathrm{CN}^{-1}, \mathrm{O}_2^{2-}$
$1$
$2$
$3$
$4$
In which of the following transformations, the bond order has increased and the magnetic behaviour has changed
Give electron configuration, magnetic property bond order and energy diagram for oxygen $\left( {{{\rm{O}}_2}} \right)$ molecule.
From elementary molecular orbital theory we can give the electronic configuration of the singly positive nitrogen molecular ion $N_2^ + $ as
Select incorrect statement
The incorrect statement is :-