RAJASTHAN PMT Rajasthan - PMT Solved Paper-1995

  • question_answer
    Which of the following Hoffmann bromide reaction?

    A)  \[C{{H}_{2}}COCl+C{{H}_{3}}OH\xrightarrow{{}}\]\[C{{H}_{2}}COOC{{H}_{3}}HCl\]

    B)  \[C{{H}_{3}}CON{{H}_{2}}+B{{r}_{2}}+NaOH\xrightarrow{{}}\]\[C{{H}_{3}}N{{H}_{2}}+{{K}_{2}}C{{O}_{3}}+2KBr+2{{H}_{2}}O\]

    C)  \[RCN+4H\xrightarrow{{}}RCHN{{H}_{2}}\]

    D)  \[C{{H}_{3}}CN+2{{H}_{2}}\text{O}\xrightarrow{{}}C{{H}_{3}}COOC{{H}_{3}}\]

    Correct Answer: B

    Solution :

    Hoffmann bromide reaction is: \[C{{H}_{3}}CON{{H}_{2}}+B{{r}_{2}}+2KOH\xrightarrow{{}}\]\[C{{H}_{3}}N{{H}_{2}}+{{K}_{2}}C{{O}_{3}}+2KBr+2{{H}_{2}}O\]


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