RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
    The reactivity order of acid derivatives is:

    A)  \[RCOCl>RCOOCOR>RCON{{H}_{2}}\]

    B)  \[RCOCl<RCOOCOR<RCON{{H}_{2}}\]

    C)  \[RCOCl>RCOOCOR<RCON{{H}_{2}}\]

    D)  none of the above

    Correct Answer: A

    Solution :

    The correct order of reactivity of acid derivatives is: \[RCOCl>RCOOCOR>RCOOR\]                                                 \[>RCON{{H}_{2}}\] It is due to the fact that \[C{{l}^{-}}\] is the best leaving group among these being weakest base. \[C{{l}^{-}}>RCO{{O}^{-}}>R{{O}^{-}}>N{{H}_{2}}\]


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