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JCECE Engineering JCECE Engineering Solved Paper-2013

  • question_answer
    The order of reactivity of following alcohols with halogen acids is \[I.C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\] \[II.C{{H}_{3}}C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{3}}\] \[III.C{{H}_{3}}C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}}\,-OH\]

    A) \[II>I>III\]                          

    B) \[I>III>II\]

    C) \[III>II>I\]                          

    D)  \[I>II>III\]

    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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