Which one of the following is paramagnetic
${H_2}O$
$N{O_2}$
$S{O_2}$
$C{O_2}$
Which of the following pairs have identical values of bond order ?
The incorrect statement is :-
${{\rm{H}}{{\rm{e}}_2}}$ molecule is not possible.
Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.
According to $MO$ theory, number of species/ions from the following having identical bond order is $.........$
$CN ^{-}, NO ^{+}, O _{2}, O _{2}^{+}, O _{2}^{2+}$