Manipal Engineering Manipal Engineering Solved Paper-2011

  • question_answer
    is fastest when\[Z\]is

    A) \[Cl\]                                    

    B)                        \[N{{H}_{2}}\]

    C)                        \[O{{C}_{2}}{{H}_{5}}\]                 

    D)                        \[OCO{{H}_{3}}\]

    Correct Answer: A

    Solution :

    \[C{{l}^{-}}\]is the best leaving group being the weakest nucleophile out of\[NH_{2}^{-},\,\,C{{l}^{-}},\,\,{{O}^{-}}{{C}_{2}}{{H}_{5}}\]and\[C{{H}_{3}}CO{{O}^{-}}\].


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