CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2010

  • question_answer
    The IUPAC name of the following compound, \[[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}-CH=CH-CH=CH-\underset{\begin{smallmatrix}  | \\  {{C}_{2}}{{H}_{5}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]is        

    A)  1, 1, 7, 7-tetramethyl-2, 5-octadiene

    B)  2, 8-dimethyl-3, 6-decadiene

    C)  1, 5-diisopropyl-1, 4-hexadiene

    D)  3, 9-dimethyl-4, 6-decadiene

    E)  2, 8-dimethyl-4, 6-decadiene

    Correct Answer: E

    Solution :

    \[\overset{1}{\mathop{C}}\,{{H}_{3}}^{2}\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,\overset{3}{\mathop{C}}\,{{H}_{2}}\overset{4}{\mathop{C}}\,H=\overset{5}{\mathop{C}}\,H\overset{6}{\mathop{C}}\,H=\overset{7}{\mathop{C}}\,H\underset{\begin{align}   & | \\  & ^{9}C{{H}_{2}} \\  & | \\  & ^{10}C{{H}_{3}} \\ \end{align}}{\mathop{\overset{8}{\mathop{C}}\,H}}\,C{{H}_{3}}\]


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