Which of the following is not paramagnetic
${S^{ - 2}}$
${N_2}^ - $
$O_2^ - $
$NO$
In which pair, or pairs, is the stronger bond found in the first species
$(a)$ $O_2^ - ,{O_2}$ $(b)$ ${N_2},N_2^ +$ $(c)$ $NO^+, NO^-$
What is meant by the term bond order ? Calculate the bond order of: $N _{2}, O _{2}, $ $O _{2}^{+}$ and $O _{2}^{-}$
Which of the following is paramagnetic ?
Among the following, the paramagnetic compound is
Number of paramagnetic oxides among the following given oxides is ..... .
$\mathrm{Li}_{2} \mathrm{O}, \mathrm{CaO}, \mathrm{Na}_{2} \mathrm{O}_{2}, \mathrm{KO}_{2}, \mathrm{MgO}$ and $\mathrm{K}_{2} \mathrm{O}$