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