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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer
    The \[IUPAC\] name of \[\begin{align}   & C{{H}_{2}}=CH-CH-C{{H}_{2}}-C{{H}_{3}} \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\overset{|}{\mathop{C}}\,{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}} \\ \end{align}\] is:

    A)  3-proply pentene-1

    B)  3-ethyl-penten-1

    C)  4-ethyl-hexenc-1

    D)  3-ethyl-hexene-1

    Correct Answer: D

    Solution :

    \[\begin{align}   & \overset{1}{\mathop{C}}\,{{H}_{2}}=\overset{2}{\mathop{C}}\,H-\overset{3}{\mathop{C}}\,H-C{{H}_{2}}-C{{H}_{3}} \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{2}}-C{{\overset{|}{\mathop{H}}\,}_{2}}-C{{H}_{3}} \\ \end{align}\] The \[IUPAC\] name is 3-ethyl hexene-1


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