CET Karnataka Medical CET - Karnataka Medical Solved Paper-2005

  • question_answer
    The reaction in which phenol differs from alcohol is:

    A)  it  undergoes  esterification  with carboxylic acid

    B)  it reacts with ammonia

    C)  it forms yellow crystals of iodoform

    D)  it liberates \[{{H}_{2}}\] with Na metal.

    Correct Answer: C

    Solution :

    lodoform test is given by those  compounds which has \[C{{H}_{3}}-\underset{O}{\mathop{\underset{||}{\mathop{C}}\,}}\,-C/H\] or \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-\]units. Hence, this test is not given by phenol \[({{C}_{6}}{{H}_{5}}-OH)\]


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