RAJASTHAN PMT Rajasthan - PMT Solved Paper-2006

  • question_answer
    Iodoform 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\[-\overset{\begin{smallmatrix}  O \\  |\,\,| \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\] group or on oxidation yields this group. Formaldehyde does not have\[-\overset{\begin{smallmatrix}  O \\  |\,\,| \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]group, hence it does not give iodoform test.


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