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