RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    \[C{{H}_{3}}CHO+Sodium\text{ }cupritartarate\xrightarrow{{}}\] red precipitate. In which red precipitate is:

    A)  \[C{{u}_{2}}O\]                               

    B)                         \[N{{a}_{2}}C{{O}_{3}}\]

    C)                         \[N{{a}_{2}}O\]                               

    D)                         \[C{{O}_{2}}\]

    Correct Answer: A

    Solution :

    \[C{{H}_{3}}CHO\xrightarrow[(Fehling\,\,solution)]{Sod.\,cupric\,tartarate}\] Red colour appears due to \[C{{u}_{2}}O\].


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