Question

(a) Distinguish between the terms homopolymer and copolymer and give an example of each.

(b) Write the monomers used for getting the following polymers.

(i) Polyvinyl chloride (ii) Teflon (iii) Bakelite

Answer 1

(a) Homo polymer- The addition polymer formed by polymerisation of single monomeric species is known as homopolymer.

Ex: Polythene

The polymer formed by addition of 2 different monomers are termed as co-polymer.

Ex: Buna-S

(b) Monomer of (i) Poly vinyl chloride – vinyl chloride

(ii) Teflon – Tetra fluoro ethylene

(iii) Bakelite – Phenol and formal dehyde