Among the following structures, the one which | vedclass

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(D) Resonating structures involve the delocalization of $\pi$-electrons or lone pairs, but they do not involve the movement of atoms or groups of atom

Vedclass · Accepted Answer

$IV$

Vedclass · Answer

(D) Resonating structures involve the delocalization of $\pi$-electrons or lone pairs, but they do not involve the movement of atoms or groups of atoms. In structures $I$, $II$, and $III$, the connectivity of atoms remains the same, and only the positions of electrons change. In structure $IV$, the negative charge is on the terminal carbon atom, which implies a different connectivity compared to the enolate structures $I$, $II$, and $III$. Thus, structure $IV$ is not a resonating structure of the others.

Among the following structures, the one which is not a resonating structure of others is:

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