RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    Monomer of natural rubber is

    A)  \[C{{H}_{2}}=C=C{{H}_{2}}\]

    B)  \[C{{H}_{2}}=CH-Cl\]

    C)  \[C{{H}_{2}}=\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,-CH=C{{H}_{2}}\]

    D)  None of the above

    Correct Answer: C

    Solution :

     Natural rubber is the polymer of isoprene \[(C{{H}_{2}}=\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,-CH=C{{H}_{2}})\]


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