Download Ncert Solutions For Class 12 Chemistry Chapter 15 Polymers
Question 15.1 Explain the terms polymer and monomer.
Question 15.2 What are natural and synthetic polymers? Give two examples of each type.
Question 15.3 Distinguish between the terms homopolymer and copolymer and give an example of each.
Question 15.4 How do you explain the functionality of a monomer?
Question 15.5 Define the term polymerisation.
Question 15.6 Is ( NH-CHR-CO )n, a homopolymer or copolymer?
Question 15.7 In which classes, the polymers are classified on the basis of molecular forces? Question 15.8 How can you differentiate between addition and condensation polymerisation?
Question 15.9 Explain the term copolymerisation and give two examples.
Question 15.10 Write the free radical mechanism for the polymerisation of ethene.
Question 15.11 Define thermoplastics and thermosetting polymers with two examples of each.
Question 15.12 Write the monomers used for getting the following polymers.
(i) Polyvinyl chloride
Question 15.13 Write the name and structure of one of the common initiators used in free radical addition polymerisation.
Question 15.14 How does the presence of double bonds in rubber molecules influence their structure and reactivity?
Question 15.15 Discuss the main purpose of vulcanisation of rubber.
Question 15.16 What are the monomeric repeating units of Nylon-6 and Nylon-6,6?
Question 15.17 Write the names and structures of the monomers of the following polymers:
(i) Buna-S (ii) Buna-N
Question 15.18 Identify the monomer in the following polymeric structures.
Question 15.19 How is dacron obtained from ethylene glycol and terephthalic acid ?
Question 15.20 What is a biodegradable polymer ? Give an example of a biodegradable aliphatic polyester.
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