12th Class Chemistry Polymers / बहुलक Question Bank 12th CBSE Chemistry Polymers

  • question_answer
    Explain how does 1, 3-butadiene polymerise by different routes.

    Answer:

                    Butadiene is a conjugated diene and its free radical polymerisation can occur in two ways: (i) When the polymerisation takes place at \[{{C}_{1}}\] and \[{{C}_{4}}\] of butadiene, an unbranched polymer results. It can exist either as trans-polybutadiene or as cis isomer or as the mixture of both. (ii) 1, 3 butadiene can also undergo polymerisation at \[{{C}_{1}}\] and \[{{C}_{2}}\] to give polyvinyl polyethene as the product.


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