The paramagnetic molecule at ground state among the following is
${H_2}$
${O_2}$
${N_2}$
$CO$
Sum of bond order of $\mathrm{CO}$ and $\mathrm{NO}^{+}$is____________.
"Isoelectronic molecules and ions have identical bond orders." Explain by examples.
Bond energies in $NO,\,N{O^ + }$ and $N{O^ - }$ are such as
Choose correct order
Among the following species$N _{2}, N _{2}^{+}, N _{2}^{-}, N _{2}{ }^{2-}, O _{2}, O _{2}{ }^{+}, O _{2}^{-}, O _{2}{ }^{2-}$ the number of species showing diamagnetism is.