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

  • question_answer
    Which of the following alcohols is dehydrated most easily with cone. \[{{H}_{2}}S{{O}_{4}}\]?

    A) \[p-{{O}_{2}}N{{C}_{6}}{{H}_{4}}CH\left( OH \right)C{{H}_{3}}\]

    B) \[p-Cl{{C}_{6}}{{H}_{4}}CH(OH)C{{H}_{3}}\]

    C) \[p-C{{H}_{3}}O{{C}_{6}}{{H}_{4}}CH(OH)C{{H}_{3}}\]

    D) \[{{C}_{6}}{{H}_{5}}CH\left( OH \right)C{{H}_{3}}\]

    Correct Answer: C

    Solution :

    Electron releasing inductive effect of \[-\,OC{{H}_{3}}\]group facilitates the protonation of alcohol involved in dehydration mechanism.


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