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enter image description here Amongst all hydroxybenzoic acids the ortho isomer is most acidic and the major reason is intramolecular H-bonding in the anion.

My question is that isn't the loss of proton destabilising the molecule more than stabilising it as earlier two H-bonds were possible but after deprotonation only one bond remains??

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  • $\begingroup$ But how is my question related to ortho effect? $\endgroup$ – FullBridge May 8 at 19:27
  • $\begingroup$ I think the title is misleading. $\endgroup$ – FullBridge May 8 at 19:34