2. Solved Papers
  3. BCECE Medical

BCECE Medical BCECE Medical Solved Papers-2015

  • question_answer
    From the following which pairs give the faster \[{{S}_{N}}2\] reaction?

    A)  

    B)   

    C)  

    D)  

    Correct Answer: A

    Solution :

    Each of back side attach (less steric hindrance) makes \[{{S}_{N}}2\] faster. In all cases, [a] is faster.


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