Which of the following polymers can be made by free radical addition polymerisation mechanism?

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HDPE

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LDPE

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Telfon

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Solution

The correct options are
A LDPE
B PE
C HDPE
D Telfon
The polymers polyethene (PE), low density polyethene(LDPE), high density polyethene(HDPE) and teflon (polytetrafluoroethylene) can be made by free radical addition polymerisation (also known as chain growth polymerisation) mechanism. To obtain free radicals, initiators such as benzoyl peroxide, tert-butyl peroxide or acetyl peroxide are used.

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