RAJASTHAN ­ PET Rajasthan PET Solved Paper-2010

  • question_answer
    The structures\[{{(C{{H}_{3}})}_{3}}CBr\]and\[C{{H}_{3}}{{[C{{H}_{2}}]}_{3}}Br\]represent

    A)  chain isomerism

    B)  position isomerism

    C)  chain as well as position isomerism

    D)  functional isomerism

    Correct Answer: C

    Solution :

     The structures of the given compounds are as \[{{H}_{3}}\overset{3}{\mathop{C}}\,-\underset{\begin{smallmatrix}  | \\  Br \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{^{2}C}}}\,-\overset{1}{\mathop{C}}\,{{H}_{3}}\]\[\overset{4}{\mathop{C}}\,{{H}_{3}}\overset{3}{\mathop{C}}\,{{H}_{2}}\overset{2}{\mathop{C}}\,{{H}_{2}}\overset{1}{\mathop{C}}\,{{H}_{2}}Br\] Since in these, the chain of carbon atoms and the position of functional group Ye, Br both are different, they exhibit chain as well as position isomerism.


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