RAJASTHAN PMT Rajasthan - PMT Solved Paper-1997

  • question_answer
    Aldehyde and ketone can be differentiated by:

    A)  \[NaHS{{O}_{3}}\]    

    B)                         Fehling solution

    C)                         \[HgC{{l}_{2}}\]         

    D)                         all of these

    Correct Answer: B

    Solution :

    Acetaldehyde react with Fehling solution and formed red precipitate of cuprous oxide. But acetone does not react with Fehling solution.


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