JEE Main & Advanced Sample Paper JEE Main Sample Paper-18

  • question_answer
    \[C{{H}_{3}}-C\equiv C-C{{H}_{3}}\xrightarrow{NaN{{H}_{2}}}X\]What is\[X\]?

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

    B)  \[C{{H}_{3}}C{{H}_{2}}C\equiv CH\]

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

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

    Correct Answer: B

    Solution :

     Isomerisation occurs, when 2-butyne is treated with\[NaN{{H}_{2}}\]. It converts into terminal alkyne (1-butyne).


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