JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2014

  • question_answer
    A ketone gives a yellow ppt when treated with \[t\] in an alkaline solution. Thus, the ketone is

    A) a cyclic ketone

    B) a methyl ketone

    C) an unsaturated ketone

    D) None of the above

    Correct Answer: B

    Solution :

                    The ketone is a methyl ketone because this test Is known as iodoform test and is only shown by compounds that contain\[\frac{27}{20}{{\lambda }_{0}}\]or \[\frac{20}{27}{{\lambda }_{0}}\] groups and results in the formation of yellow ppt of iodoform\[(CH{{l}_{3}})\]


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