CMC Medical CMC-Medical VELLORE Solved Paper-2012

  • question_answer
    Reaction of HBr with propene in the presence of peroxide gives

    A)  isopropyl bromide

    B)  3-bromopropane

    C)  allylbromide

    D)  n-propylbromide

    Correct Answer: D

    Solution :

                    Reaction of HBr with propene in the presence of peroxide gives n-propyl bromide. This addition reaction is an example of anti-Markownikoff addition reaction (i.e., it is completed in form of free radical addition). \[C{{H}_{3}}-CH=C{{H}_{2}}+HBr\xrightarrow{Peroxide}\] \[\underset{n-propyl\,\,bromide}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}Br}}\,\]


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