CMC Medical CMC-Medical Ludhiana Solved Paper-2012

  • question_answer
    Addition of\[B{{r}_{2}}\]on\[C{{H}_{2}}=CH-C{{H}_{2}}-C{{H}_{3}}\] gives

    A)  \[Br-C{{H}_{2}}-\overset{Br}{\mathop{\overset{|}{\mathop{CH}}\,}}\,-CH-C{{H}_{3}}\]

    B)  \[Br-C{{H}_{2}}-C{{H}_{2}}-\overset{Br}{\mathop{\overset{|}{\mathop{CH}}\,}}\,-C{{H}_{3}}\]

    C)  \[B{{r}_{2}}-C{{H}_{2}}-C{{H}_{2}}-\underset{Br}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-C{{H}_{3}}\]

    D)  \[Br-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-\underset{Br}{\mathop{\underset{|}{\mathop{C{{H}_{2}}}}\,}}\,\]

    Correct Answer: B

    Solution :

                    \[\underset{1\text{-butene}}{\mathop{C{{H}_{2}}=CH-C{{H}_{2}}-C{{H}_{3}}+B{{r}_{2}}}}\,\xrightarrow{{}}\]\[Br-C{{H}_{2}}-C{{H}_{2}}-\underset{Br}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-C{{H}_{3}}\]


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