JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank Mock Test - Alcohols, Phenols And Ethers

  • question_answer
    The correct order of acidic strength of the following alcohols is
    I. \[C{{H}_{3}}OH\]
    II. \[{{C}_{2}}{{H}_{5}}OH\]
    III. \[C{{H}_{3}}-CH(OH)-C{{H}_{3}}\]
    IV.

    A) I<II<III<IV      

    B) III<II<IV<I

    C) III<IV<I<III     

    D) IV<III<II<I

    Correct Answer: D

    Solution :

    [d] More stable is alkoxide ion \[R-{{O}^{\Theta }}\], more is the acidic nature of corresponding alcohol. Electron donating (+I-effect) alkyl groups decreases the acidic strength.


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