Does resonance always affect acidity and basicity?

ngu9997
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Does resonance affect the acidity of an acid (or the basicity of its conjugate base) if the resonance isn't delocalizing the charge on the atom that is directly attached to the atom with the proton, hydrogen itself.

For example a benzene ring with a carboxylic acid group attached to one side. The alcohol on the side is what would be deprotonated. So there's one resonance structure where the negative charge on the conjugate base's oxygen is delocalized by resonance onto the carbonyl. Does the benzene ring's resonance also help to delocalize this charge (or does the benzene ring's resonance not affect the basicity of the this conjugate base)?
 
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Apparently, the answer to your example is yes because benzoic acid has a pKa of 4.2 versus cyclohexanecarboxylic acid, which has a pKa of 4.9. The effect is fairly minor, which would be expected as resonance structures where the negative charge gets delocalized to the benzene ring would be expected to be fairly minor contributors to the resonance hybrid.
 
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