JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank Preparation of alcohol Phenol and Ethers

  • question_answer
    Acetone on treatment with \[C{{H}_{3}}-Mg-I\] and on further hydrolysis gives                 [UPSEAT 2000]

    A)                 Isopropyl alcohol             

    B)                 Primary alcohol

    C)                 Acetic acid          

    D)                 2-methyl 2-propanol

    Correct Answer: D

    Solution :

               Acetone reacts with Grignard?s reagent to give tertiary alcohol.                                 \[{{(C{{H}_{3}})}_{2}}C=O+C{{H}_{3}}MgBr\xrightarrow{{{H}_{2}}O}\underset{\text{ter-butyl alcohol}}{\mathop{{{(C{{H}_{3}})}_{3}}C-OH}}\,\]


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