Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2010

  • question_answer
    Which of the following will give acetic acid on acid hydrolysis?

    A)  Ethyl acetate   

    B)  Acetone

    C)  Methyl propionate

    D)  Lactic acid

    Correct Answer: A

    Solution :

    Esters upon acid hydrolysis give acid and alcohol \[\underset{ethyl\,\,acetate}{\mathop{C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}O}}\,+{{H}_{2}}\xrightarrow[({{H}_{3}}{{O}^{+}})]{{{H}^{+}}}\]                 \[\underset{acetic\,acid}{\mathop{C{{H}_{3}}COOH}}\,+\underset{ethyl\,alcohol}{\mathop{{{C}_{2}}{{H}_{5}}OH}}\,\] \[\underset{methylpropionate}{\mathop{{{C}_{2}}{{H}_{5}}COOC{{H}_{3}}}}\,+{{H}_{2}}O\xrightarrow[({{H}_{3}}{{O}^{+}})]{{{H}^{+}}}\]                 \[\underset{propionic\,acid}{\mathop{{{C}_{2}}{{H}_{5}}COOH}}\,+\underset{methanol}{\mathop{C{{H}_{3}}OH}}\,\]


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