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