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Why are carboxylic acids more acidic tha...

Why are carboxylic acids more acidic than alcohols or phenols although all of them have hydrogen atom attached to a oxygen atom (-O-H)?

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Carboxylic acids are more acidic than alcohol or phenol, although all of them have O-H bond. This can be explained on the basis of stability of conjugate base obtained after removal of `H^(+)` from acid or phenol.

Hence, dissociation of O-H bond in case of carboxylic acid become easier than that of phenol. Hence, carboxylic acid are stronger acid than phenol.
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Knowledge Check

  • The most acidic hydrogen atoms are present in

    A
    Ethane
    B
    ethene
    C
    ethyne
    D
    benzene

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