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NEET Chemistry NEET PYQ-Nitrogen Containing Compound

  • question_answer
    Intermediates formed during reaction of \[\underset{\begin{smallmatrix}  |\,\,| \\  O \end{smallmatrix}}{\mathop{RCN{{H}_{2}}}}\,\] with \[B{{r}_{2}}\] and \[KOH\] are:                [AIPMT 2001]

    A) \[RCONHBr\] and \[RNCO\]

    B) \[RNHCOBr\] and \[RNCO\]

    C) \[RNHBra\] and\[KCONHBr\]

    D) \[RCONB{{r}_{2}}\]

    Correct Answer: A

    Solution :

    [a] The reaction
    \[RCON{{H}_{2}}+B{{r}_{2}}+KOH\xrightarrow[{}]{{}}RN{{H}_{2}}\] is known as Hofmann-bromamide reaction. The mechanism of this reaction is given as:


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