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NCERT solutions Chemistry Class 12 Part 2 chapter 15 Polymers

Chapters

NCERT Chemistry Class 12 Part 2

Chemistry Textbook for Class 12 Part 2

Chapter 15 - Polymers

Pages 428 - 435

What are polymers?

Q 1 | Page 428

How are polymers classified on the basis of structure?

Q 2 | Page 428

Write the names of monomers of the following polymers

Q 3.1 | Page 433

Write the names of monomers of the following polymers:

 

Q 3.2 | Page 433

Write the names of monomers of the following polymers:

Q 3.3 | Page 433

Explain the difference between Buna-N and Buna-S

Q 5 | Page 435

Arrange the following polymers in increasing order of their intermolecular forces.

(i) Nylon 6, 6, Buna-S, Polythene.

(ii) Nylon 6, Neoprene, Polyvinyl chloride.

Q 6 | Page 435

Pages 437 - 438

Explain the terms polymer

Q 1 | Page 437

What are natural and synthetic polymers? Give two examples of each type.

Q 2 | Page 437

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

Q 3 | Page 437

How do you explain the functionality of a monomer?

Q 4 | Page 437

Define the term polymerisation.

Q 5 | Page 437

Is (-NH - CHR - CO-)n a homopolymer or copolymer?

Q 6 | Page 437

In which classes, the polymers are classified on the basis of molecular forces?

Q 7 | Page 437

How can you differentiate between addition and condensation polymerisation?

Q 8 | Page 437

Explain the term copolymerisation and give two examples.

Q 9 | Page 437

Write the free radical mechanism for the polymerisation of ethene.

Q 10 | Page 437

Define thermosetting polymers with two examples of each.

Q 11.1 | Page 437

Define thermoplastics with two examples of each.

Q 11.1 | Page 437

Write the names and structures of the monomers of the following polymers: Polyvinyl chloride

Q 12.1 | Page 437

Write the names of monomers used for getting the following polymers:

Teflon

Q 12.2 | Page 437

Write the name of monomers used for getting the following polymers : Bakelite

Q 12.3 | Page 437

Write the name and structure of one of the common initiators used in free radical addition polymerisation.

Q 13 | Page 437

How does the presence of double bonds in rubber molecules influence their structure and reactivity?

Q 14 | Page 437

Discuss the main purpose of vulcanisation of rubber.

Q 15 | Page 437

What are the monomeric repeating units of Nylon-6 and Nylon-6, 6?

Q 16 | Page 437

Write the names and structures of the monomers of the following polymers: Buna-S

Q 17.1 | Page 437

Write the names and structures of the monomers of the following polymers: Buna-N

Q 17.1 | Page 437

Write the names and structures of the monomers of the following polymers: Dacron 

 

Q 17.3 | Page 437

Write the name of monomers used for getting the following polymers : Neoprene

Q 17.4 | Page 437

Identify the monomer in the following polymeric structures.

Q 18.1 | Page 437

Identify the monomer in the following polymeric structures.

Q 18.2 | Page 438

How is dacron obtained from ethylene glycol and terephthalic acid?

Q 19 | Page 438

What is a biodegradable polymer? Give an example of a biodegradable aliphatic polyester.

Q 20 | Page 438

NCERT Chemistry Class 12 Part 2

Chemistry Textbook for Class 12 Part 2
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