Which of the following is paramagnetic
${N_2}$
${C_2}$
$N_2^ + $
$O_2^{2 - }$
The correct order of the $O-O$ bond length in $O_2, H_2O_2$ and $O_3$ is
Delocalised molecular orbitals are found in
Which of the following is paramagnetic ?
In which of the following pairs molecules have bond order three and are isoelectronics
If ${N_x}$ is the number of bonding orbitals of an atom and ${N_y}$ is the number of antibonding orbitals, then the molecule/atom will be stable if