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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2008

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

    A)  2-methyl-3-ethyl-1-pentene

    B)         3-ethyl-4-methyl-4-pentene

    C)         3-ethyl-2-methyl-1-pentene

    D)         3-methyl-2-ethyl-1-pentene

    Correct Answer: C

    Solution :

    \[\overset{5}{\mathop{C}}\,{{H}_{3}}-\overset{4}{\mathop{C}}\,{{H}_{2}}-\underset{\begin{align}   & | \\  & C{{H}_{2}} \\  & | \\  & C{{H}_{3}} \\ \end{align}}{\overset{3}{\mathop{C}}}\,H-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{2}{\mathop{C}}}\,-=\overset{1}{\mathop{C}}\,{{H}_{2}}\]                 3-ethyl-2-methyl-1-pentene


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