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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2012

  • question_answer
    An organic compound A burns with a sooty flame. It is negative towards Tollens reagent test and positive for Borsches reagent test. The compound A is

    A)  Benz aldehyde   

    B)  Acetophenone

    C)  Acetone         

    D)  Salicylic acid

    Correct Answer: B

    Solution :

    : Ignition test-burning with a sooty flame indicates presence of aromatic compound. Negative test towards Tollens reagent indicates absence of aldehydes. Positive test for Borsches reagent test indicates ketones (possibility of aldehydes being nullified). So A is an aromatic ketone.


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