12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank 12th CBSE Chemistry Alcohols, Phenols and Ethers

  • question_answer
    Phenol is acidic while cyclohexanol is neutral. Justify.

    Answer:

                    In phenol, the oxygen atom of O?H group becomes electron deficient due to the conjugation of electron pairs on it with the pi electron pairs of ring. Therefore, \[{{H}^{+}}\]can be released. However, in cyclohexanol, the electron pairs on the oxygen atom are not involved in any conjugation with the ring since it has no pi electron pairs. Therefore, the release of \[{{H}^{+}}\]ion is quite difficult.


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