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

  • question_answer
    Acetic acid reacts with \[PC{{l}_{5}}\]to form      [Pb. CET 2001]

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

    B)                 \[CHC{{l}_{2}}COOH\]

    C)                 \[C{{H}_{2}}ClCOOH\]   

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

    Correct Answer: A

    Solution :

               When acetic acid is reacted with \[PC{{l}_{5}}\] the product formed are acetyl chloride, phosphoryl chloride and hydrochloric acid \[\underset{Acetic\,acid}{\mathop{C{{H}_{3}}COOH}}\,+\underset{\begin{smallmatrix}  Phosphorus \\  Penta\,chloride \end{smallmatrix}}{\mathop{PC{{l}_{5}}}}\,\to \underset{\begin{smallmatrix}  Acetyl \\  Chloride \end{smallmatrix}}{\mathop{C{{H}_{3}}COCl}}\,+\underset{\begin{smallmatrix}  Hydro- \\  Chloric  \\  acid \end{smallmatrix}}{\mathop{HCl}}\,+\underset{\begin{smallmatrix}  Phosphoryl \\  chloride \end{smallmatrix}}{\mathop{POC{{l}_{3}}}}\,\]


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