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NEET Sample Paper NEET Sample Test Paper-11

  • question_answer
    In a \[{{S}_{N}}2\]substitution reaction of the type\[R-Br+C{{l}^{-}}\xrightarrow{DMF}R-Cl+B{{r}^{+}}\]. Which one of the following has the highest relative rate?

    A)  

    B)  

    C) \[C{{H}_{3}}C{{H}_{2}}Br\]

    D) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}Br\]

    Correct Answer: C

    Solution :

    For \[{{S}_{N}}2\]mechanism, there should be least steric hindrance.


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