KVPY Sample Paper KVPY Stream-SX Model Paper-17

  • question_answer
    Which one of the following will not give white precipitate with ammonical silver nitrate solution

    A) \[C{{H}_{3}}-C\equiv C-C{{H}_{3}}\]

    B) \[C{{H}_{3}}\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{-CH}}\,}}\,-C\equiv C-C{{H}_{3}}\]

    C) \[C{{H}_{3}}-C{{H}_{2}}-CH=C{{H}_{2}}\]

    D) All of these

    Correct Answer: D

    Solution :

    Terminal alkyne form white ppt. with Tollen's reagent. '


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