JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkane

  • question_answer
    2-Methylbutane on reacting with bromine in the presence of sunlight gives mainly [AIEEE 2005]

    A) 1-bromo-2-methylbutane

    B) 2-bromo-2-methylbutane

    C) 2-bromo-3-methylbutane

    D) 1-bromo-3-methylbutane

    Correct Answer: B

    Solution :

    \[{{H}_{3}}C-\underset{C{{H}_{3}}\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,C{{H}_{2}}-C{{H}_{3}}+B{{r}_{2}}\xrightarrow{{}}\] \[\underset{\text{Major}}{\mathop{\begin{matrix}    \,\,\,\,Br  \\    |  \\    {{H}_{3}}C-C-C{{H}_{2}}  \\    |  \\    \,\,\,\,\,\,C{{H}_{3}}  \\ \end{matrix}-C{{H}_{3}}}}\,\]


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