JEE Main & Advanced Sample Paper JEE Main - Mock Test - 8

  • question_answer
    Aldehydes and ketones are distinguished by which of the following test?

    A) Lucas test

    B) Tollen's test

    C) \[KMn{{O}_{4}}\]solution (Baeyer 's test)

    D) None of these

    Correct Answer: B

    Solution :

    Tollen's reagent is ammonical \[AgN{{O}_{3}}\] Aldehydes form silver mirror with it and ketones do not show any change. So Tollen's reagent is used to distinguish between aldehydes and ketones.


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