BCECE Medical BCECE Medical Solved Papers-2007

  • question_answer
    A fruity smell is obtained by the reaction of ethanol with

    A)  \[C{{H}_{3}}COC{{H}_{3}}\]

    B)  \[PC{{l}_{5}}\]

    C)  \[C{{H}_{3}}COOH\]

    D)  \[C{{H}_{3}}CHO\]

    Correct Answer: C

    Solution :

    \[\underset{ROH}{\mathop{Alcohol}}\,\,\,+\underset{RCOOH}{\mathop{acid}}\,\,\,\,\,\underset{(RCOOR)}{\mathop{ester}}\,\] (fruity smelling) alcohol \[({{C}_{2}}{{H}_{5}}OH)\] when react with acid they produce ester and esters have fruity smell.\[\underset{Ethyl\text{ }alcohol}{\mathop{{{C}_{2}}{{H}_{5}}OH}}\,\,\,+\underset{Acetic\text{ }acid}{\mathop{C{{H}_{3}}COOH}}\,\xrightarrow{{}}\underset{Fruity\text{ }smell\text{ }of\text{ }ester}{\mathop{{{C}_{2}}{{H}_{5}}COOC{{H}_{3}}}}\,\]\[+\,\,{{H}_{2}}O\]


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