CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2001

  • question_answer
    Which of the following organic compounds answers both iodoform test and Fehling's test?

    A)  methanol                          

    B)  ethanol

    C)  propane                             

    D)  ethanol

    Correct Answer: D

    Solution :

    lodoform test and Fehling's test are performed by ethanol \[\underset{\text{Ethanol}}{\mathop{C{{H}_{3}}CHO}}\,\,+\underset{\text{Fehling }\!\!'\!\!\text{ s}\,\text{solution}}{\mathop{2C{{u}^{2+}}+5O{{H}^{-}}}}\,\] \[\xrightarrow{{}}C{{H}_{3}}CO{{O}^{-}}+3{{H}_{2}}O+\underset{(Red\,\,ppt).}{\mathop{\underset{cuprous\,oxide}{\mathop{C{{u}_{2}}O}}\,}}\,\]


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