Work Step by Step
Bond length decreases with bond order, $NO_3^-$: 4 bonds, 3 atoms, b.o. =1.33 $NO^+$: 3 bonds, 1 atom, b.o. =3 $NO_2^-$: 3 bonds, 2 atoms, b.o. =1.5 $H_2NOH$: 1 bond, 1 atom, b.o. =1
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