JIPMER Jipmer Medical Solved Paper-1996

  • question_answer
    Which of the following alcohol, cannot be dehydrated to give alkene?

    A)  t-butyl alcohol

    B)  Neopentyl alcohol

    C)  Isopropyl alcohol

    D)  all of these can be dehydrated

    Correct Answer: B

    Solution :

    Neopentyl alcohol cannot be dehydrated, as it has no hydrogen atom on a-carbon atom. \[\underset{\text{Neo-pentyl}\,\,\text{alcohol}}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{*}}}}}\,}}}\,-C{{H}_{2}}OH}}\,\xrightarrow{conc.\,{{H}_{2}}S{{O}_{4}}}\,\text{no}\,\text{reaction}\]


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