What causes absence of mesomeric interaction in benzoic acids?

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The discussion centers on the lack of mesomeric interaction between the π-electrons of the aromatic ring and the π-electrons of the carbonyl group in benzoic acids. The primary reason identified is that the positive charge resulting from the dissociation of the proton is fully borne by the proton itself, rather than being shared with the carbonyl carbon. Additionally, it is noted that there are no valid resonance structures that satisfy the octet rule, further explaining the absence of significant resonance stabilization in this context.
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Why there is no mesomeric interaction between \pi-electrons of aromatic ring and \pi-electrons of carbonyl group in benzoic acids?
 
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I would think it was because the postive charge was bourne fully by the dissociated proton rather than the carbonyl carbon attached to the aromatic ring.
 
There are no valid resonance structures satisfying the octet rule.
 

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