JCECE Medical JCECE Medical Solved Paper-2013

  • question_answer
    The order of reactivity of following alcohols with halogen acids is
    (i)\[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\]
    (ii) \[C{{H}_{3}}C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-C{{H}_{3}}\]
    (iii) \[C{{H}_{3}}C{{H}_{2}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-OH\]

    A)  II > I > III

    B)  I > III > II

    C)  lll > ll > l         

    D)  l > ll > lll

    Correct Answer: C

    Solution :

     Reactivity of alcohols towards halogen acids decreases in the order \[{{3}^{o}}>{{2}^{o}}<{{1}^{o}}\]i.e., \[C>B>A\]


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