CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2003

  • question_answer
    Ethyl benzoate reacts with \[PC{{l}_{5}}\] to give :

    A)  \[{{C}_{2}}{{H}_{5}}Cl+{{C}_{6}}{{H}_{5}}COCl+POC{{l}_{3}}+HCl\]

    B)  \[{{C}_{2}}{{H}_{5}}Cl+{{C}_{6}}{{H}_{5}}COCl+POC{{l}_{3}}\]

    C)  \[C{{H}_{3}}COCl+{{C}_{6}}{{H}_{5}}COCl+POC{{l}_{3}}\]

    D)  \[{{C}_{2}}{{H}_{5}}Cl+{{C}_{6}}{{H}_{5}}COOH+POC{{l}_{3}}\]

    Correct Answer: B

    Solution :

    \[PC{{l}_{5}}\] is a chlorinating agent. It adds to ethyl benzoate to give ethyl chloride and benzoyl chloride. \[{{C}_{6}}{{H}_{5}}COO{{C}_{2}}{{H}_{5}}\xrightarrow{PC{{l}_{5}}}{{C}_{6}}{{H}_{5}}COCl\]\[+\,{{C}_{2}}{{H}_{5}}Cl+POC{{l}_{3}}\]


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