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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2010

  • question_answer
      Benzaldehyde and acetone can be best distinguished using  

    A)   Fehling's solution

    B)   Sodium hydroxide solution

    C)   2, 4-DNP

    D)   Tollen's reagent

    Correct Answer: D

    Solution :

      With Fehling's solution, benzaldehyde as well as acetone do not react while with Tollen's reagent, benzaldehyde gives precipitate but acetone does not react. Hence, Tollen's reagent is used to distinguish them.


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