NEET NEET SOLVED PAPER 2013

  • question_answer
    The structure of isobutyl group in an organic compound is

    A)  

    B) \[\text{C}{{\text{H}}_{\text{3}}}\text{-}\underset{\text{ }\!\!|\!\!\text{ }}{\mathop{\text{CH}}}\,\text{-C}{{\text{H}}_{\text{2}}}\text{-C}{{\text{H}}_{\text{3}}}\]

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

    D) \[\text{C}{{\text{H}}_{\text{3}}}\text{-}\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{C}{{\text{H}}_{\text{3}}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}}\,\text{-}\]

    Correct Answer: A

    Solution :

    iso mean one \[Me\] group is present in six chain. Hence, the structure of is o-butyl group in an organic compound is \[\text{C}{{\text{H}}_{\text{3}}}-\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{H} \end{smallmatrix}}{\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}}\,-\text{C}{{\text{H}}_{\text{2}}}-\] (yl suffix is used to represent one ?H less than the parent hydrocarbon.)


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