(a)
Interpretation:
Monomers required for the given polymer to be prepared need to be identified.
Concept introduction:
- Acid +alcohol=polyester
- Acid+
amine =polyamide - Alcohol+phosgene=polycarbonate
- Alcohol+isocyanate=polycarbamate
Aldehyde = polyether
To draw : To draw the structure of monomers required for preparation of given polymer.
(b)
Concept introduction:
Polymers can be classified as chain-growth and step-growth polymers. Chain-growth polymers are the one which are formed when monomer is added to the other monomer growing chain one at a time. This growing polymer chain usually has only one reactive site. This site is called growth point. Step-growth polymers are the one when the monomers react with each other to form oligomers. These oligomers are joined together to form polymers. This usually occurs when difunctional monomers are used. This has got two growth points.
(c)
Concept introduction:
Polymers can be classified as
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