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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2011

  • question_answer
        Arrange the following halides in the decreasing order of\[{{S}_{N}}1\]reactivity. \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Cl,\]     \[C{{H}_{2}}=CHCH(Cl)C{{H}_{3}},\]                 \[(I)\]                                    \[(II)\] \[C{{H}_{3}}c{{H}_{2}}CH(Cl)C{{H}_{3}}\]                 \[(III)\]

    A)  \[I>II>III\]         

    B)  \[II>I>III\]

    C)  \[II>III>I\]         

    D)  \[III>II>I\]

    Correct Answer: C

    Solution :

                    Ractivity decreases in the order \[allylic\text{ }halide>2{}^\circ \,aliphatic\text{ }halide\] \[>1{}^\circ aliphatic\text{ }halide.\]


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