The N−N bond length in N2O is 1.12 Å, slightly longer than a typical N≡N bond, which is 1.10 Å, and the N−O bond length is 1.19 Å, slightly shorter than a typical N=O bond, which is 1.22 Å. Based on these data, which resonance structure best represents N2O?

Given that the N-N bond is an intermediate bond, for the bond length to be longer it must posses a bond that is less than three(3) but greater than one(1) . i.e. a double bonding

Therefore a resonance bond that posses a double bond between the N-N and N-O is the most suitable of resonance structure that will best represent N₂O. because other resonance structures will contain charges that are either greater than -1 or +1

Hence we can conclude that the structure that will best represent N₂O will be N=N=O

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kasliwalalvi24 kasliwalalvi24 · Answer 2 · 2021-10-22T13:15:38+02:00

Resonance structures or mesomerism is a method in which bond between a molecule or certain ions are explained using valence bond theory. The N[tex]_2[/tex]O have three resonating structures, out of which the most stable is N=N=O.

Dinitrogen monoxide resonance structures are highly unstable due to presence of positive charge on the oxygen atom. In the given structure, the double bond between two nitrogen (N=N) is an intermediate bond.

The resonance bond that is present as double bonds between N-N and N-O are most suitable resonating structures. The other resonating structures will possess charges that will make the molecule unstable and will not be a suitable resonating structure.

The given below is the best suitable image for the dinitrogen monoxide.

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