Polymers can also be classified on the basis of their structure, molecular forces or modes of polymerisation. take place. 30. Q2: Explain natural and synthetic polymers with the help of two examples of each type? BeTrained.in has solved each questions of NCERT Exemplar very thoroughly to help the students in solving any question from the book with a team of well experianced subject matter experts. Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. Buna-S needs buta 1, 3-diene and Neoprene needs 2-chloro 1,3-butadiene. Proteins are formed from amino acids which may be linked in different ways. For example, nylon 6, 6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. This is almost everything that students need to know about addition and condensation polymers. Simple, reactive molecules known as monomers, combine with each other in large numbers through covalent bonds to give rise to polymers. For example, nylon 6, 6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. II. High degree polymerisation leads to rigid, hard, scratch resistant, infusible, attacked by alkalies phenolic resins. As polymers are single, giant molecules i.e. Condensation polymer: Simple monomer units combine together to form polymer followed by the removal of small molecules like H 2 O, NH 3 etc. Condensation polymers of dibasic acids and polyhydroxy alcohols . A small molecule such as water or hydrochloric acid is eliminated in each condensation. Condensation polymers: Polymers formed by repeated condensation reaction between two different bi-functional or tri-functional monomeric units with elimination of simple molecules. Among them, starch and cellulose are the polymers of glucose molecules. fibres (nylon 6,6) and synthetic rubbers (Buna - S) are examples of man-made polymers extensively used in daily life as well as in industry. Polythene, rubber, and nylon 6, 6 are examples of polymers. NCERT Exemplar Class 12 Chemistry Chapter 15 Polymers. simple and reactive molecules from which the polymers are prepared either by addition or condensation polymerisation. A small molecule such as water or hydrochloric acid is eliminated in each condensation. Draw the repeating unit for a condensation polymer. Rubber, polythene and nylon 6, 6 are examples of polymers. Eg: propene, ethene, vinyl chloride, styrene. NCERT Solutions for Class 12 Chemistry Part 1 Chapter 15 Polymers Class 12 Chapter 15 Polymers Exercise Solutions In text : Solutions of Questions on Page Number : 428 Q1 : What are polymers? Some examples are polythene, nylon-66, bakelite, rubber, etc. At this point, the polymer could grow in either direction by bonding to another molecule of hexamethylenediamine or adipic acid, or to another dimer. Which of the following polymers, need atleast one diene monomer for their preparation? Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. We have provided Polymers Class 12 Chemistry MCQs Questions with Answers to help students understand the concept very well. Topics and Subtopics in NCERT Solutions for Class 12 Chemistry Chapter 15 Polymers: Section Name Topic Name 15 Polymers 15.1 Classification of Polymers. Examples – Nylon 6, 6, Nylon 6. Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. Question 1. CBSE Class-12 Chemistry Quick Revision Notes Chapter 15 Polymers Polymers: Polymers are high molecular mass substance consisting of large number of repeating structural units. Condensation Polymerisation- Process of formation of polymers by repeated condensation reaction between two different monomers, having bi-functionality or tri-functionality. Solution: Polymers are high molecular mass macromolecules, which are formed by repeating structural units derived from monomers. One example of a condensation polymer is Nylon 6,6. Practice to excel and get familiar with the paper pattern and the type of questions. big size molecules, they are also called macromolecules Monomers: The simple molecules which combine to form polymers by forming single or multiple bonds are […] (i) Phenol formaldehyde resins (Bakelite): These are formed by the condensation of two or more monomers with the elimination of simple molecules like H2O, NH3, ROH, etc. Some examples are ethene, vinyl chloride, acrylonitrile, phenol and formaldehyde etc. Phenol formaldehyde resin . CBSE Class 12. What is a homo-polymer? Sample Papers . Condensation polymers: ... Below is an example of the formation of Nylon 66, a common polymeric clothing material, involving one each of two monomers, hexamethylenediamine, and adipic acid, reacting to form a dimer of Nylon 66. • Condensation polymers are made from two different monomers. Polymers can be synthetic as well as natural. Answer : Polymers are high molecular mass macromolecules, which consist of repeating structural units derived from monomers. Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. This chapter explains the terms monomer, polymer and polymerisation and encourages you to identify the applications of the same in daily life. The type of questions that will be asked from NCERT Class 12 Chemistry Chapter 15 are displayed in the below provided NCERT Exemplar Class 15 Chemistry Chapter 15. Ans. How is Nylon – 6, 6 different from Nylon -6? Answer: Explaination: (b) and (c). What is polymerisation? However, those wanting to get full marks in Chemistry, Polymers are a short chapter to study. Therefore it is also called step growth polymerisation. Among them, starch and cellulose are the polymers of glucose molecules. [NCERT Exemplar] (a) Dacron (b) Buna-S (c) Neoprene (d) Novolac. The main difference between addition and condensation polymerization is that in addition polymerization the polymers are formed by the addition of monomers with no by-products whereas in condensation polymerization, the polymers are formed due to the condensation more than one different monomers resulting in the formation of small molecules such as HCl, water, ammonia, etc., … Natural polymers: The polymers which occur in nature mostly in plants and animals are called natural polymers. Multiple Choice Questions (Type-I) NCERT … A small molecule such as water or hydrochloric acid is eliminated in each condensation. Ans. Monomers are the. Here we have given NCERT Exemplar Class 12 Chemistry Chapter 15 Polymers. Our NCERT Solutions for Class 12 Chemistry Chapter 15 – Polymers are user friendly and have been created by a team of Science experts. Example: Nylon-6,6; Question 4. Check the below NCERT MCQ Questions for Class 12 Chemistry Chapter 15 Polymers with Answers Pdf free download. (a) Cellulose (b) Amylose (c) Amylopectin (d) Glycogen Solution: (d) Glycogen is a polymer of glucose … For example, nylon 6, 6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. It is used for making good insulators, sheets, rods, switches, lacquers and adherent paints. For example, nylon 6, 6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. One example of a condensation polymer is Nylon 6,6. Polymers have a high molecular mass (103 − 107 u). Condensation Polymer:-The condensation polymers are formed by repeated condensation reaction between two different bi-functional or tri-functional monomeric units. Polymers are high molecular mass macromolecules composed of repeating structural units derived from monomers. Examples of condensation polymers are Nylon-6, 6, Dacron, Nylon 6 etc. It is a chapter which is purely conceptual with a lot of emphasis in theory. In a polymer, various … www.ncerthelp.com (Visit for all ncert solutions in text and videos, CBSE syllabus, note and many more) Chemistry Notes for class 12 Chapter 15 Polymers The word polymer has a Greek origin. They are used for … Polymers can be natural as well as synthetic. MCQ Questions for Class 12 Chemistry with Answers were prepared based on the latest exam pattern. BAKELITE. Subject. A small molecule such as water or hydrochloric acid is eliminated in each condensation. Check you answers with answer keys provided. Which of the following polymers of glucose is stored by animals? 11. A small molecule is eliminated like water and in each condensation step. With the help of it, candidates can prepare well for the examination. Google Will End Support to Google Keep Chrome App by Feb 2021 ; AWS Launches its Next-gen GPU Instances Powered by … Based on Molecular forces, it is classified into Polymer is defined as a chemical substance of a high molecular mass formed by the combination of a large number of simple molecules, called monomers. THERMOSETTING RESINS. NCERT Class 12 Chemistry Chapter 15 is for Polymers. Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. Some examples are polythene, nylon-66, bakelite, rubber, etc. Polymers have a high molecular mass (103 - 107 u). Monomers are the. Pre Boards. Dacron and Novolac are condensation polymers. In these polymerisation reactions, the elimination of small molecules such as water, alcohol, hydrogen chloride, etc. (ii) Condensation polymers: The condensation polymers are formed by repeated condensation reaction between two different bi-functional or tri … For example, nylon 6, 6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. Write some examples of condensation polymers. Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. Class 12 Chemistry Polymers NCERT solutions are handy for students in many ways. A small molecule such as water or hydrochloric acid is eliminated in each condensation. A few common examples are starch, cellulose, proteins, rubber nucleic acids, etc. A small molecule such as water or hydrochloric acid is eliminated in each condensation. A small molecule such as water or hydrochloric acid is eliminated in each condensation. • Each monomer has two of the same functional groups. Proteins are formed from amino acids which may be linked in different ways. What are polymers? Some common examples of condensation polymers are:Formaldehyde resins These include polymers like Bakelite and Melamine polymers. It is a cross linked copolymer. • Ethane diol has two alcohol groups. For example, nylon 6, 6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. Practice more on Polymers Page - 1 www.embibe.com CBSE NCERT Solutions for Class 12 Chemistry Chapter 15 Back of Chapter Questions 1. A few common examples are starch, cellulose, proteins, rubber nucleic acids, etc. Multiple Choice Questions . Condensation polymerization is the process of formation of polymers by repeated condensation reactions between two different bi-functional or tri-functional monomers. Condensation polymerisation produces a distinct functionalized species and is independent of each other. Some examples are ethene, vinyl chloride, acrylonitrile, phenol and formaldehyde etc. For example, polythene is formed by addition polymerization of ethene. Ans: Polymers … Menu; Search For; Home; CBSE; Exam Prep; Tutorials; Placement Prep; Job Alert; Search For; Random Article; Tech News. Example: polythene. 10. We will also discuss some questions related to addition and condensation polymers in the Frequently Asked Questions (FAQ) section later. Chemistry . double or triple bonds to form polymers. which means many units (parts). Describe what is meant by a condensation polymer. Answer/Explanation. Practice Polymers questions and become a master of concepts. Single Correct Answer Type. A small molecule such as water or hydrochloric acid is eliminated in each condensation. NCERT Exemplar Class 12 Chemistry Chapter 15 Polymers. Some examples of common condensation polymers are polyacetals, proteins, and polyamides. Answer: Polymerisation is the process of formation of polymers from respective monomers, Homopolymers are polymers formed by the … Natural polymers: The polymers which occur in nature mostly in plants and animals are called natural polymers. Condensation Polymers 1. Get NCERT Exemplar Solutions for Class 12 Chapter Polymers here. Polymers have a high molecular mass usually ranging between 103−107 u. All solutions are explained using step-by-step approach. Class. simple and reactive molecules from which the polymers are prepared either by addition or condensation polymerisation. • When these monomers react, small molecules such as water are lost 2. For example, nylon 6, 6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. In a polymer, various monomer units are joined by strong covalent bonds. 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