WB JEE Medical WB JEE Medical Solved Paper-2006

  • question_answer
    lodoform test is not given by :

    A)  \[HCHO\]                           

    B)  \[C{{H}_{3}}CHO\]

    C)  \[C{{H}_{3}}COC{{H}_{3}}\]       

    D)  \[~{{C}_{2}}{{H}_{5}}OH\]

    Correct Answer: A

    Solution :

                     lodoform test is given by those compounds which have \[-\overset{O}{\mathop{\overset{|\,\,|}{\mathop{C}}\,}}\,-C{{H}_{3}}\] group or on oxidation yields this group. Formaldehyde does not have \[-\overset{O}{\mathop{\overset{|\,\,|}{\mathop{C}}\,}}\,-C{{H}_{3}}\] group, hence it does not give iodoform test.


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