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

  • question_answer
    Which of the following is most acidic?

    A) Benzyl alcohol

    B) Cyclohexanol

    C) Phenol

    D) m-Chlorophenol

    Correct Answer: D

    Solution :

    Halogens have both +R and -l effect, but the -l effect predominates over the +R-effect. Therefore, m-chlorophenol is most acidic due to electron withdrawing -Cl group. Alcohols are less acidic than phenol.


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