Punjab Medical Punjab - MET Solved Paper-2004

  • question_answer
    Acetaldehyde gives orange coloured precipitate on treatment with:

    A) \[2,\,\,4-DNP\]                

    B) \[N{{H}_{2}}OH\]

    C) \[NaHS{{O}_{3}}\]                          

    D) \[NaOH\]

    Correct Answer: A

    Solution :

    All carbonyl compounds produce orange precipitate with 2, 4-dinitrophenyl hydrazine solution.


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