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Q.
What is true regarding free radical polymerization of ethylene?
NTA AbhyasNTA Abhyas 2020Polymers
Solution:
Free radical reactions are usually initiated either by free radical initiator or radiation. Polymerization of all olefinic monomers are exothermic as unsaturated monomer is being converted into saturated polymer. Propagation step of polymerization leads to increase in chain length, hence gain in molar mass.