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Polymers
Comment on:
(a) PVC is a hard plastic but polyethylene is soft wax-like.
(b) Addition of sulphur to nutural rubber improves its properties.
(c) Polypropylene is preferred ever polyethylene.
(a) Dipole: Dipole interaction in PVC is absent.
(b) Sulphur develops cross-linking.
(c) Polypropylene is harder and stronger than polyethylene.
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Arrange the following polymers in increasing order of their intermolecular forces.
Nylon-6, Neoprene, Polyvinyl chloride.
Explain the terms polymer and monomer.
How do you explain the functionality of a monomer?
Define the term polymerization.
Is (NH—CHR—CO)n, a homopolymer or copolymer?
What is condensation polymer?
Give one example each of (i) Addition polymer (ii) Condensation polymer.
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