In the molecular orbital diagram for the molecular ion, $N_2^ + $ , the number of electrons in the ${\sigma _{2p}}$ molecular orbital is
$0$
$2$
$3$
$1$
The pairs of species of oxygen and their magnetic behaviour are noted below. Which of the following presents the correct description ?
The bond order in $N_2^ + $ ion is
Although $CN^-$ ion and $N_2$ molecule are isoelectronic, yet $N_2$ molecule is chemically inert because of
The difference in energy between the molecular orbital formed and the combining atomic orbitals is called
Which one is paramagnetic from the following