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