question_answer

Which of the following is a chain growth polymer [CBSE PMT 2004]

A)                 Polystyrene       

B)                 Protein

C)                 Starch  

D)                 Nucleic acid

Correct Answer: A

Solution :

            Chain growth polymers involve a series of reaction each of which consume a reactive particles & produces another similar one. The reactive particles may be free radicals or ions (cation or anion) to which monomers get added by a chain reaction. It is an important reaction of alkenes & conjugated dienes or indeed of all kinds of compounds that contains C?C  double bond