BHU PMT BHU PMT Solved Paper-2002

  • question_answer
    The IUPAC name of the following compound\[C{{H}_{3}}CH({{C}_{2}}{{H}_{5}})CH=CHC{{H}_{3}}\]is:

    A)  2-ethyl-but-2-ene

    B)  4-ethyl-pent-2-ene

    C)  4-methyl-hex-2-ene

    D)  5-methyl-pen-2-ene

    Correct Answer: C

    Solution :

                     \[\underset{4-methyl\text{ }hex-2-ene}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix}  ^{6}{{C}_{2}}{{H}_{5}} \\  5| \end{smallmatrix}}{\mathop{\underset{4}{\mathop{CH}}\,}}\,-\underset{3}{\mathop{CH}}\,=\underset{2}{\mathop{CH}}\,-\underset{1}{\mathop{C{{H}_{3}}}}\,}}\,\]


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