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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2004

  • question_answer
    An organic compound is boiled with alcoholic potash. The product is cooled and acidified with \[HCl\]. A white solid separates out. The starting compound may be:

    A)  ethyl benzoate

    B)  ethyl formate

    C)  ethyl acetate

    D)  methyl acetate

    Correct Answer: A

    Solution :

    The reaction occurs as follows : \[\underset{ethyl\text{ }benzoate}{\mathop{{{C}_{6}}{{H}_{5}}COO{{C}_{2}}{{H}_{5}}}}\,+KOH\xrightarrow{\Delta }{{C}_{6}}{{H}_{5}}COOK\]                                                                 \[+{{C}_{2}}{{H}_{5}}OH\] \[{{C}_{6}}{{H}_{5}}COOK+HCl\to \underset{white\text{ }solid}{\mathop{{{C}_{6}}{{H}_{5}}COOH+KCl}}\,\]


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