NCERT Solutions Class 12 Chemistry Chapter 15 Polymers

NCERT Solutions Class 12 Chemistry Chapter 15 Polymers have been provided below and is also available in Pdf for free download. The NCERT solutions for Class 12 Chemistry have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 12 by CBSE, NCERT and KVS. Questions given in NCERT book for Class 12 Chemistry are an important part of exams for Grade 12 Chemistry and if answered properly can help you to get higher marks. Refer to more Chapter-wise answers for NCERT Class 12 Chemistry and also download more latest study material for all subjects. Unit 15 Polymers is an important topic in Class 12, please refer to answers provided below to help you score better in exams

Chapter 15 Polymers Class 12 Chemistry NCERT Solutions

Class 12 Chemistry students should refer to the following NCERT questions with answers for Polymers in standard 12. These NCERT Solutions with answers for Grade 12 Chemistry will come in exams and help you to score good marks

Polymers Chapter 15 NCERT Solutions Class 12 Chemistry


NCERT Class 12 Chemistry Solutions Polymers - NCERT Solutions prepared for CBSE students by the best teachers in Delhi. 

Class XII Chemistry

Chapter 15 – Polymers 

Question 1:

Explain the terms polymer and monomer.


Polymers are high molecular mass macromolecules composed of repeating structural units derived from monomers. Polymers have a high molecular mass (103 - 107 u). In a polymer, various monomer units are joined by strong covalent bonds. Polymers can be natural as well as synthetic. Polythene, rubber, and nylon 6, 6 are examples of polymers. Monomers are simple, reactive molecules that combine with each other in large numbers through covalent bonds to give rise to polymers. For example, ethene, propene, styrene, vinyl chloride.


Question 2:

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


Natural polymers are polymers that are found in nature. They are formed by plants and animals. Examples include protein, cellulose, starch, etc. Synthetic polymers are polymers made by human beings. Examples include plastic (polythene), synthetic fibres (nylon 6, 6), synthetic rubbers (Buna - S).


Question 3:

How do you explain the functionality of a monomer?


The functionality of a monomer is the number of binding sites that is/are present in that monomer.


Question 4:

Define the term polymerisation.


Polymerization is the process of forming high molecular mass (103 − 107 u) macromolecules, which consist of repeating structural units derived from monomers. In a polymer, various monomer units are joined by strong covalent bonds.


Question 5:

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


On the basis of magnitude of intermolecular forces present in polymers, they are classified into the following groups:

(i) Elastomers

(ii) Fibres

(iii) Thermoplastic polymers

(iv) Thermosetting polymers


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