JEE Main & Advanced Sample Paper JEE Main Sample Paper-30

  • question_answer
    Which of the following reacting substances will not liberate ethyne gas?

    A)  \[C{{H}_{3}}C1\] and \[Ag\]

    B) \[Ca{{C}_{2}}\] and \[{{H}_{2}}O\]

    C)  \[CH{{l}_{3}}\] and \[Ag\]

    D)  Vinylic chloride heated with sodamide

    Correct Answer: A

    Solution :

    (1) no reaction             (2) \[Ca{{C}_{2}}+2{{H}_{2}}O\to HC\equiv CH+Ca{{(OH)}_{2}}\] (3) (4)


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