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CMC Medical CMC-Medical VELLORE Solved Paper-2007

  • question_answer
    An ester is boiled with KOH. The product is cooled and acidified with concentrated HCl. A white crystalline acid separates. The ester is

    A)  methyl acetate

    B)  ethyl acetate

    C)  ethyl formate  

    D)  ethyl benzoate

    Correct Answer: D

    Solution :

                     Methyl acetate and ethyl acetate on hydrolysis gives\[C{{H}_{3}}COOH\]which is a liquid. Similarly ethyl formate on hydrolysis will give formic acid which is also a liquid. Only ethyl benzoate on hydrolysis will give benzoic acid which is solid.


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