What are polymers?
How are polymers classified on the basis of structure?
Write the names of monomers of the following polymers:
Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polythene.
Explain the difference between Buna-N and Buna-S.
Arrange the following polymers in increasing order of their intermolecular forces.
(i) Nylon 6,6, Buna-S, Polythene.
(ii) Nylon 6, Neoprene, Polyvinyl chloride.
Explain the terms polymer and monomer.
What are natural and synthetic polymers? Give two examples of each type.
Distinguish between the terms homopolymer and copolymer and give an example of each.
How do you explain the functionality of a monomer?
Define the term polymerization.
Is (NH–CHR–CO)n, a homopolymer or copolymer?
In which classes, the polymers are classified based on molecular forces?
How can you differentiate between addition and condensation polymerisation?
Explain the term copolymerisation and give two examples.
Write the free radical mechanism for the polymerization of ethene.
Define thermoplastics and thermosetting polymers with two examples of each.
Write the monomers used for getting the following polymers.
(i) Polyvinyl chloride (ii) Teflon (iii) Bakelite
Write the name and structure of one of the common initiators used in free radical addition polymerization.
How does the presence of double bonds in rubber molecules influence their structure and reactivity?
Discuss the main purpose of vulcanisation of rubber.
What are the monomeric repeating units of Nylon-6 and Nylon-6,6?
Write the names and structures of the monomers of the following polymers:
Buna-S
Buna-N
Dacron
Neoprene
Identify the monomer in the following polymeric structures.
How is dacron obtained from ethylene glycol and terephthalic acid?
What is a biodegradable polymer? Give an example of a biodegradable aliphatic polyester.
