Questions >> JEEMAIN and NEET >> Chemistry >> Polymers. Try it now. Check Answer and Solution for above question from Chemistry in Polymers … The second is condensation polymerization. C. conversion of monomers to monomer ion by protons. Which of the following statements is not correct for fibres? C. conversion of monomers to monomer ion by protons. Polymer formation from monomers starts by (a) condensation reaction between monomers. The term fossil fuels refer to materials formed from the decomposition of once-living matter. Sometimes polymers are made from bound groups of monomer subunits (up to a few dozen monomers) called oligomers. Get Results . the repetition of monomer units can be linear branched or interconnected to form three dimensional networks. Formed by repeated condensation reaction between two different bi-functional or tri-functional monomers. Polymer formation … Polymer formation from monomers starts by, Conversion of monomer to monomer ions by protons. Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry-polymers,q44,medium. Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers are formed by two main ways called addition and condensation polymerization. Polymer formation from monomers starts by (a) hydrolysis of monomers (b) conversion of monomer to monomer ions by protons (c) condensation reaction between monomers (d) coordination reaction between monomers. D. hydrolysis of monomers. Hence option (1) is the answer. In chemistry, a hydrocarbon is any compound entirely composed of hydrogen and carbon molecules. Polymers are macromolecules formed by joining a large number of small molecules or monomers in a chain. 4.Nylon threads are made of (2003) (1)Polyester polymer 2) Polyamide polymer … If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Polymer formation from monomers starts by. It was found that in contrast to a simple adsorbed layer, an interfacial tension in the presence of a polymer layer becomes independent of the applied potential and that a polymer layer strongly inhibits ion transfer reactions. Answer: (a) 8. Sign In for Uninterrupted Access to Study Material and Questions . Tech Companion - A Complete pack to prepare for Engineering admissions, MBBS Companion - For NEET preparation and admission process, QnA - Get answers from students and experts, List of Pharmacy Colleges in India accepting GPAT, Why does a tightly closed metal lid of a glass bottle can be opened more easily if it is put in hot water for some time? Polymers are all created by the process of polymerization wherein their constituent elements called monomers, are reacted together to form polymer chains i.e 3-dimensional networks forming the polymer bonds. X . There are various types of configuration… The formation of a polymer layer at the interface was monitored by surface tension measurement and by cyclic voltammetry in the presence of transferable ions. 3.Polymer formation from monomers starts by (2002) (1)condensation reaction between monomers (2)coordinate reaction between monomers (3)conversion of monomer to monomer ions by protons • (4)hydrolysis of monomers Ans. Addition. A molecule of water is lost in the formation… chemistry: Polymer chemistry. • In view of the coronavirus pandemic, we are making LIVE CLASSES and VIDEO … ... Other polymer qualities, including the molten flowing property, known as the melt-flow index, are a function of the crystalline structure and are also primarily determined by the polymerization reaction. D. hydrolysis of monomers. One method is called addition. In addition, polymerization, an initiator (or catalyst) reacts with a starting monomer. 4. Login. 5. There are 16 questions to complete. The number average molecular mass and mass average molecular mass of a polymer respectively are 30000 and 40000. SR Questions; 1: Which one of the following is an example of thermosetting polymers? Next similar question. Once you are finished, click the button below. Report. Addition polymerization differs from condensation polymerization, which does co-generate a product, usually water. How satisfied are you with the answer? 3.Polymer formation from monomers starts by (2002) (1)condensation reaction between monomers (2)coordinate reaction between monomers (3)conversion of monomer to monomer ions by protons • (4)hydrolysis of monomers Ans. Why does an ordinary electric fan give comfort in summer even though it cannot cool the air? (1) … There are two main ways polymers are formed. 2: Which one of the following class of compounds is … Polymer formation from monomers starts by condensation reaction between monomers by removal of small molecules. पॉलिमर का निर्माण मोनोमर्स से होता है: Apne doubts clear karein ab Whatsapp (8 400 400 400) par bhi. When radicals (peroxides) were formed on polymer surfaces by argon plasma contact with monomer molecules, polymerization reactions of the monomer molecules initiate from the radicals, and new polymers deposit on the surfaces. If the angular momentum of a body is found to be zero about a point, is it necessary that it will also be zero about a different. Monomer units in a polymer are bound together with the help of chemical bonds, which maintain the configuration of the final polymer. The process of formation of polymers from respective monomers is called (A) polyacrylonitrile (B) copolymerisation (C) polymerisation (D) None of the Check My Answer Have a Query? Cloudflare Ray ID: 606d99ab0eadcc83 Answer. AIEEE 2002: Polymer formation from monomers starts by (A) condensation reaction between monomers (B) coordination reaction between monomers (C) conversion of monomer to monomer ions by protons (D) hydrolysis of monomers.. The result of this initiation reaction is a monomer attached to the initiator with an unsatisfied bond. Monomers can be classified in many ways. Polymer formation from monomers starts by condensation reaction between monomers Polymers are considered to be macromolecules, or combinations of smaller molecules. Polymer formation from monomers starts by [AIEEE 2002] A. condensation reaction between monomers. Any items you have not completed will be marked incorrect. Please enable Cookies and reload the page. The unsatisfied bond is free to react with another monomer, thus adding to the chain. January 17, 2020 Moushmi Rajapriya. Question 2. Polymers are very large molecules made when many smaller molecules join together, end to end. Chat with tutors. Polymer formation from monomers starts by AIEEE 2002 | Polymers | Chemistry | JEE Main Polymer formation from monomers starts by: A. condensation reaction between monomers. Polymer formation from monomers starts by (a) condensation reaction between monomers . Involves elemination of small molecules like H2O, HCl, Alcohol, etc. Chain-Reaction Polymerization. 1 condensation reaction between monomers; 2 coordination reaction between monomers; 3 conversion of monomers to monomer ion by protons; 4 hydrolysis of monomers SHOW CORRECT ANSWER. Polymers are formed by two main ways called addition and condensation polymerization. In addition, polymerization, an initiator (or catalyst) reacts with a starting monomer.The result of this initiation reaction is a monomer attached to the initiator with an unsatisfied bond. Polymerization reactions tend to be dehydrations. Polymer formation from monomer starts by. Answer. See the answer. Starting materials are often referred to as feedstocks. The formation of polymers, long-chain molecules made of repeating units of monomers (the essential building blocks mentioned above), is a far more difficult experimental problem than the formation of monomers. Polymer formation from monomers starts by [AIEEE 2002] A. condensation reaction between monomers. Draw the molecular structures of the monomers of (i) PVC (ii) Teflon. Polymer formation from monomer starts by (A) the condensation reaction between monomers (B) the coordinate reaction between monomers They can be subdivided into two broad classes, depending on the kind of the polymer that they form. 1 answer. • Which of the following is a polyamide? 1 answer. Share. Leave a … An addition polymer is a polymer that forms by simple linking of monomers without the co-generation of other products. (1)Polymerisation starts either by condensation or addition reactions between monomers. Choose the correct answer: Condensation reaction between monomers Coordination reaction between monomers Conversion of monomer to monomer ions by protons Hydrolysis of monomers. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Types of Polymers: Polymers can be of two types—linear and branched. Ask Questions, Get Answers Menu X. home ask tuition questions practice papers mobile tutors pricing. The network polymers produced by each polymerization system of SS and AAm or SPM and NVA may contain several covalent linkages, which are formed via the cross‐propagation of the monomers and crosslinkers used. Once you are finished, click the button below. Polymerization occurs by a condensation reaction, which is a chemical reaction in which two molecules or moieties (functional groups) combine to form a larger molecule, together with the loss of a small molecule such as water, HCl etc. Copyright © 2020 Pathfinder Publishing Pvt Ltd. Expert Answer . The largest family of polymers 3, vinyl polymers, are produced by chain polymerization reactions.A good example is the free-radical polymerization of styrene, which is initiated by a free radical (R) that reacts with styrene. This section continues with a discussion of polymer modification techniques. Answer: (a) 9. A monomer can also form dimers (two monomer units), trimers (three monomer units) and so on. Therefore, the polymer networks synthesized in this study may be called ‘quasi’ DN gels. Performance & security by Cloudflare, Please complete the security check to access. Sign in with Facebook. Polymer 1. Another way to prevent getting this page in the future is to use Privacy Pass. Question 3. Previous question Next question Transcribed Image Text from this Question. Monomers form polymers by forming chemical bonds or binding supramolecularly through a process called polymerization. Polymer formation from monomers starts by Option 1) condensation reaction between monomers Option 2) coordinate reaction between monomers Option 3) Conversion of monomer to monomer ions by protons Option 4) hydrolysis of monomers. Polymer formation from monomer starts by (A) the condensation reaction between monomers (B) the coordinate reaction between monomers (C) conversion of monomer to monomer ions by protons (D) hydrolysis of monomers. B. coordination reaction between monomers. Option A is correct. The monomer molecules may be all alike, or they may represent two, three, or more different compounds. B. coordination reaction between monomers. Polymerization, any process in which relatively small molecules, called monomers, combine chemically to produce a very large chainlike or network molecule, called a polymer. This problem has been solved! These monomers’ small repeating units react chemically to form long molecules. Linear polymers start at one point and end at another point. An exhaustive E-learning program for the complete preparation of JEE Main.. Take chapter-wise, subject-wise and Complete syllabus mock tests and get in depth analysis of your test.. Polymers are synthesized by using the energy released by the breaking of water molecules into hydrogen and hydroxyl group. askedApr 3, 2018in Polymersby paayal(147kpoints) A polymer (/ ˈ p ɒ l ɪ m ər /; Greek poly-, "many" + -mer, "part") is a substance or material consisting of very large molecules, or macromolecules, composed of many repeating subunits. Which of the following is a bio-degradable polymer? These crosslinked polymers are heterogeneous networks caused by varying pendant reactivity and primary cyclization reactions. Chain-reaction polymerization, sometimes called addition polymerization, requires an initiator to start the growth of the reaction. 3. This course will help student to be better prepared and study in the right direction for JEE Main.. Take chapter-wise, subject-wise and Complete syllabus mock tests and get an in-depth analysis of your test.. asked May 25, 2019 in Chemistry by Bhawna (68.4k points) polymers; class-12 ; 0 votes. Comment. A polymerization reaction starts with a primary ingredient (monomer), such as ethylene or propylene. The important topics include classification, structure, … The poly disperisty index of the polymer … The relationship between the structure of the monomers and properties of the resulting polymer is highlighted. condensation reaction between monomers; coordinate reaction between monomers; conversion of monomer to monomer ions by protons; hydrolysis of monomers; Answer : A. Answer. Most of the starting materials (monomers) employed in the synthesis of synthetic polymers like polystyrene, polyethylene, and nylons are derived indirectly from fossil fuels. What is a vehicle in paint used for? Polymer formation from monomers starts by. In the addition method, an initiator or catalyst reacts with the initial monomer. (1)Polymerisation starts either by condensation or addition reactions between monomers. asked Apr 3, 2018 in Polymers by paayal (147k points) polymers; jee; 0 votes. You may need to download version 2.0 now from the Chrome Web Store. In addition polymer, monomer used is (A) unsaturated compounds (B) saturated compounds (C) bifunctional saturated compounds (D) trifunctional saturated compounds. Any items you have not completed will be marked incorrect. 2. Polymer formation from monomers starts by (a) condensation reaction between monomers . 4.Nylon threads are made of (2003) These polymers show enhanced ductility and toughness relative to polymers of pure rac-8DL, subject to tuning by variation of the diastereomeric ratio and structure of the 8DL monomers. c. Polymers are separated into monomers producing energy and water molecules. (A) Fibres possess high tensile strength and high modulus (B) Fibres impart crystalline nature … Q) Polymer formation from monomer starts … Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Print. The result of this is a reaction in which the monomer attaches to the initiator. D. hydrolysis of monomers. 2. In addition, polymerization, an initiator (or catalyst) reacts with a starting monomer. Polymer Formation. Polymers are formed by two main ways called addition and condensation polymerization. This creates an unsatisfied bond. Alkenes can be used to make polymers. Answer. Polymer Formation From Monomers Starts By (1 Point) Condensation Reaction Between Monomers Coordination Reaction Between Monomers Conversion Of Monomers To Monomer Ion By Protons Hydrolysis Of Monomers. The result of this initiation reaction is a monomer attached to the … 7. Ask in the Discussion Forum. 12. C. conversion of monomers to monomer ion by protons. formation from monomers and discusses polymer structure at three levels: primary, secondary, and tertiary. Polymer formation from monomers starts by (1) condensation reaction between monomers (2) coordinate reaction between monomers (3) conversion of monomer to monomer ions by protons (4) hydrolysis of monomers Solution: Polymerisation starts either by addition or condensation reactions between monomers. I need help with Polymer formation from monomers starts by, List of Hospitality & Tourism Colleges in India, Top Medical Colleges in India accepting NEET Score, MHCET Law ( 5 Year L.L.B) College Predictor, List of Media & Journalism Colleges in India, B. A polymer could contain as little as three monomer molecules or as many as thousands to millions of monomers. A monomer is a low molecular weight hydrocarbon molecule. Free radical polymerization of multifunctional monomers leads to the formation of crosslinked polymer materials. Why does a tightly closed metal lid of a glass bottle can be opened more easily if it is put in hot water for some time? Monomers that participate in condensation polymerization have a different stoichiometry than monomers that participate in addition polymerization: This nylon is formed by condensation polymerization of two monomers, yielding water. Polymer Formation. Polymer formation from monomers starts by (1) condensation reaction between monomers (2) coordinate reaction between monomers (3) conversion of monomer to monomer ions by protons (4) hydrolysis of monomers Solution: Polymerisation starts either by addition or condensation reactions between monomers. asked Apr 3, 2018 in Polymers by paayal (147k points) polymers; jee; Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Email . B. coordination reaction between monomers. Condensation reaction involves polymerisation of monomers with release of small molecules like. Hence option (1) is the answer. Show transcribed image text. Your IP: 176.223.120.81 Answer. Molecules made when many smaller molecules • Your IP: 176.223.120.81 • Performance & security by cloudflare, Please the... Bhawna ( 68.4k points ) polymers ; JEE ; 0 votes are by! Be all alike, or combinations of smaller molecules join together, end to end,... Monomer subunits ( up to a few dozen monomers ) called oligomers are considered to macromolecules! Or interconnected to form three dimensional networks small molecules like of monomer to monomer ions by protons of... Millions of polymer formation from monomers starts by with release of small molecules like H2O, HCl, Alcohol, etc catalyst! Will be marked incorrect protons Hydrolysis of monomers to monomer ions by protons Hydrolysis of to... 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