J & K CET Medical J & K - CET Medical Solved Paper-2013

  • question_answer
    When ethanol and \[{{I}_{2}}\]are heated in the presence of\[N{{a}_{2}}C{{O}_{3}},\]the yellow crystals obtained are of

    A)  \[{{C}_{2}}{{H}_{5}}I\]

    B)  \[C{{H}_{3}}I\]

    C)  \[CH{{I}_{3}}\]

    D)  \[C{{H}_{2}}{{I}_{2}}\]

    Correct Answer: C

    Solution :

     Formation of iodoform takes place. \[C{{H}_{3}}C{{H}_{2}}OH+{{I}_{2}}\xrightarrow[{}]{Oxidation}C{{H}_{3}}CHO\xrightarrow[{}]{{{I}_{2}}/O{{H}^{-}}}\]\[C{{l}_{3}}CHO\xrightarrow[{}]{O{{H}^{-}}}CH{{I}_{3}}+HCO{{O}^{-}}\]


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