BCECE Medical BCECE Medical Solved Papers-2003

  • question_answer
    What are the products in the following reaction? \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\xrightarrow[cold]{HI}X+Y\]

    A)  \[C{{H}_{3}}COOH,\,\,C{{H}_{2}}=C{{H}_{2}}\]

    B)  \[C{{H}_{3}}CHO,C{{H}_{2}}=C{{H}_{2}}\]

    C)  \[{{C}_{2}}{{H}_{5}}OH,{{C}_{2}}{{H}_{5}}I\]

    D)  None of the above

    Correct Answer: C

    Solution :

    Key Idea: When HI is present in less quantity and temperature is low, then two alkyl group separate and form one molecule of alcohol and other form alkyl halide. \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}+HI\xrightarrow{cold}\underset{ethyl\text{ }iodide}{\mathop{{{C}_{2}}{{H}_{5}}I}}\,\] \[\underset{ethyl\text{ }alcohol}{\mathop{+{{C}_{2}}{{H}_{5}}OH}}\,\]


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