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Acidity Question


Full Member
10+ Year Member
15+ Year Member
Apr 6, 2004
  1. Resident [Any Field]
    Rank the following from LEAST acidic to MOST acidic

    methanoic acid
    ethanoic acid

    Clearly ethanol is least acidic, but after that it becomes less clear to me. In phenol resonance is a pretty big player but generally carboxylic acids are more acidic. So here is what i reason (please tell me if this is correct)

    From LEAST acidic to MOST acidic

    ethanol, phenol, ethanoic acid, methanoic acid

    I assumed that methanoic acid is more acidic than ethanoic acid b/c with ethanoic acid you have an alkyl group (CH3) which is donating electrons thus the labile proton is less likely to be removed?

    ANy input guys?
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