JEE Main & Advanced Chemistry Carboxylic Acids Question Bank Preparation of Carboxylic Acids and Their Derivatives

  • question_answer
    \[C{{H}_{3}}CON{{H}_{2}}\xrightarrow{NaN{{O}_{2}}/HCl}X\]     [Pb. CET 2003]

    A)                 \[C{{H}_{3}}COOH\]       

    B)                 \[C{{H}_{3}}CO\overset{+}{\mathop{N}}\,{{H}_{3}}C{{l}^{-}}\]

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

    D)                 \[C{{H}_{3}}CHO\]

    Correct Answer: A

    Solution :

               Amide, on treating with \[HN{{O}_{2}},\] give acids. \[C{{H}_{3}}CON{{H}_{2}}\underset{(HN{{O}_{2}})}{\mathop{\xrightarrow{NaN{{O}_{2}}/HCl}}}\,\underset{acetic\,acid}{\mathop{C{{H}_{3}}COOH}}\,+{{N}_{2}}+{{H}_{2}}O\]


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