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The Pka of salicylic acid is 2.97 while that of o-anisic acid is 3.73. Why is the latter less acidic if the order of +M effect states that -OH>-OR which should make the conjugate base less stable?

Neha
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    You might have messed up the data and thus in turn the entire post. $\mathrm{pK_a}$ of salicylic acid is 2.79 and that of o-anisic acid is 3.73. – Rishi Jun 04 '21 at 15:52
  • @Rishi i corrected it – Neha Jun 04 '21 at 16:35
  • https://chemistry.stackexchange.com/questions/20190/why-does-hydrogen-bonding-in-salicylic-acid-make-it-more-acidic – Mithoron Jun 04 '21 at 20:57

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