Consider the following compounds. Which compo | vedclass

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(B) The dipole moment of a molecule is related to its ability to attain aromaticity through charge separation. Compound $II$ consists of a three-membe

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$II$

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(B) The dipole moment of a molecule is related to its ability to attain aromaticity through charge separation. Compound $II$ consists of a three-membered ring and a five-membered ring connected by a double bond. Upon polarization,the three-membered ring becomes a cyclopropenyl cation ($2 \pi$ electrons,aromatic) and the five-membered ring becomes a cyclopentadienyl anion ($6 \pi$ electrons,aromatic). Since both rings attain aromatic stability in the polar form,compound $II$ exhibits a very high dipole moment compared to the others. Therefore,compound $II$ possesses the highest dipole moment.

Consider the following compounds. Which compound possesses the highest dipole moment?

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