JEE Main & Advanced Chemistry Polymers / बहुलक Question Bank General methods of preparation and mechanism of Polymerisation

  • question_answer
    Polypropylene can be obtained by polymerisation of

    A)                 \[CH\equiv CH\]              

    B)                 \[C{{H}_{2}}=C{{H}_{2}}\]

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

    D)                 \[C{{H}_{3}}-C\equiv CH\]

    Correct Answer: C

    Solution :

              \[\underset{\text{Propene}}{\mathop{nC{{H}_{3}}}}\,CH=C{{H}_{2}}\to \underset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\text{Polypropylene}}{\mathop{{{(-\,C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,)}_{n}}}}\,\]


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