BHU PMT BHU PMT (Screening) Solved Paper-2011

  • question_answer
    When acetaldehyde is heated with Fehling's solution it gives a precipitate of

    A)  \[Cu\]

    B)  \[CuO\]

    C)   \[C{{U}_{2}}O\]

    D)  \[Cu+C{{u}_{2}}O+CuO\]

    Correct Answer: C

    Solution :

                     Acetaldehyde reduced the Fehling's solution into the red precipitate of cuprous oxide. \[C{{H}_{3}}CHO+2CuO\xrightarrow{{}}\underset{red\,ppt}{\mathop{C{{u}_{2}}\text{O}\downarrow }}\,+C{{H}_{3}}COOH\]


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