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Explain why carboxylic acids are stronge...

Explain why carboxylic acids are stronger acids than phenols? 

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Carboxylate ion is more stable due to symmetrical resonating structures. So carboxylate ion is a weak base and carboxylic acid is stronger acid. 

Correspondingly the acid becomes a strong acid. `-underset(O)underset(||)(C )-bar(O)harr -underset(ulO)(C)=O`
Phenoxide ion is also stabilised due to resonance.

With negative charge spreading to less electronegative carbon, phenoxide ion is less stable than carboxylate ion.
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