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