The N2O molecule is linear and polar.
a. On the basis of this experimental evidence, which arrangement is correct, NNO or NON? Explain your answer.
b. On the basis of your answer in part a, write the Lewis structure of N2O (including resonance forms). Give the formal charge on each atom and the hybridization of the central atom.

NCl3(g) †’ NCl2(g) + Cl(g) ΔH = 375 kJ/ mol
ONCl(g) †’ NO(g) + Cl(g) ΔH = 158 kJ/ mol
Rationalize the difference in the values of ΔH for these reactions, even though each reaction appears to involve the breaking of only one NOCl bond. (Hint: Consider the bond order of the NO bond in ONCl and in NO.) be described in terms of orbitals?

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:N=N-O: EN