(A) Glyptal (B) Dacron (C) Neoprene (D) Melamine. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level Post Answer. Glyptal. The reaction can be represented as follows: The polymer reaches its melting temperature (T m in the phase diagram) and becomes molten (progressing along the line from c to d). Homomer: In this type, a single type of monomer unit is present. It is copolymer and has ester linkage. Glyptal can form alkyd varnishes with pale colours. The repeating structural units are derived from some simple and reactive molecules known as monomers and are linked to each other by covalent bonds. C. Artificial silk is derived from cellulose. Condensation polymers are obtained from bifunctional molecules (monomers) with the elimination of smaller molecules whereas addition polymers are obtained from monomers containing multiple bonds. Dacron (and Teflon) tubes are good substitutes for human blood vessels in heart by pass operation. Moreover, it is used as a binding material, cement, etc. 1) Nylon-66 2) Polyester 3) PVC 4) Glyptal 17. Thermoplasticity is found in linear and branched polymers, whose looser structures permit molecules to move past one another. Record observations: 2. Polyester is a category of polymers that contain the ester functional group in their main chain. C. Melamine. It is added to lubricants to reduce surface friction. Answer/Explanation. Example: Buna-S or styrene-butadiene rubber is a copolymer formed from styrene and butadiene. Glyptal is formed by condensation polymerisation of ethylene glycol and phthalic acid. Example: Nylon-6,6; Question 4. The monomers used are lactic acid and glycolic acid. Neoprene - - Formed by free radical polymerization of chloroprene ( 2-chloro-1, 3-butadiene ). Which one of the following is not a condensation polymer . 3-hydroxy butanoic acid and 3-hydroxy … Difference between addition polymerisation and condensation polymerization: Addition polymer: Simple monomer units combine together to form polymer. Condensation Polymerization: Example, Nylon -6, 6, perylene, polyesters. Answer: c Explaination: (c) It … Classification Based on Monomers . Glyptal is non biodegradable i.e it cannot be broken down by natural organisms and acts as a source of pollution. 14. Answer. Glyptal. Glyptal is a condensation polymer formed by the reaction between ethylene glycol and phthalic acid. Dacron, Melamine and Glyptal are condensation polymers. (R) Glyptal is used in the manufacture of paints and lacquers. Dacron, Melamine and Glyptal are condensation polymers. Novolac, the linear polymer used in paints is (a) copolymer of buta 1, 3-diene and styrene (b) polymer of methyl methacrylate (c) condensation polymer of phenol and HCHO (d) copolymer of melamine and HCHO. 263 Views. Dextron is a polyacetic acid polyglycolic acid polymer. Login. CH 3 COCH 3. For example, Polyethene; Heteropolymer or co-polymer: It consists of different type of monomer units. Glyptal or Alkyl Resin. Condensation polymer: Simple monomer units combine together to form polymer followed by the removal of small molecules like H 2 O, NH 3 etc. … Example: polythene. The major use of Glyptal is as a surface coating agent. Share 1) Terylene-condensation polymer of terephthalic acid and ethylene glycol 2) Teflon - polymer of phenol and formaldehyde 3) Perspex-A homopolymer of methyl methacrylate 4) Synthetic rubber-A copolymer of butadiene and styrene 16. KCET 2009: The condensation polymer among the following is (A) PVC (B) Polyethene (C) Rubber (D) Protein. NEET Chemistry Polymers questions & solutions with PDF and difficulty level Glyptal is a synthetic polymer. Glyptal is a copolymer of ethylene glycol and phthalic acid. Glyptal is a type of alkyd that contains polyester with fatty acids. 3. 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 Question 2. NATIONAL ELIGIBILITY CUM ENTRANCE TEST(UG) – 2020 [NEET(UG)-2020] will be conducted by the Central Board of Secondary Education (CBSE), for admission to MBBS/BDS Courses in India in Medical/Dental Colleges run with the approval of Medical Council of India/Dental Council of India under the Union Ministry of Health and Family Welfare, Government of India except for the institutions … It is an additional polymer. Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry,polymers,q8,easy Bakelite is obtained from phenol by reacting with (CH 2 OH) 2. As discussed in. Question 2. Option 4) Neoprene . Answer. In the molten state polymers can be spun into fibres. 4. Neoprene. It is an addition polymer. Neoprene is not a condensation polymer. Related Questions: Toluene can be oxidised to benzoic acid by Polymer formed from more than one kind of monomer unit is a copolymer or mixed polymer. Which of the following is not a condensation polymer? The polymer is also used in the preparation of films, magnetic recording tapes and for packing food. ← Prev Question Next Question → 0 votes . Answer. Glyptal is a general name of all polymers obtained by condensation of di-basic acids, and polyhydroxy alcohols. The two monomers used in the preparation of dextron are. Dacron ( also known as terylene) is a polyester made by condensation polymerisation of ethylene glycol and dimethyl terephthalate. Glyptal is the trade name of the polymer material that is made from glycerol and phthalic acid. Other articles where Glyptal is discussed: alkyd resin: …react to form the polyester glyptal. CH 3 CHO. Add 2 mL of glycerol. 32 views. Which of the following is not a condensation polymer? Neoprene is not a condensation polymer. 2. Option 2) Glyptal. Glyptal polymer is obtained from the reaction between ethylene glycol and phthalic acid. Glyptal can be used as a substitute for dark-coloured Copal resins. Note: Biopolymers include various biomolecules such as carbohydrates, proteins etc. These are also referred to as macromolecules, which are formed by joining of repeating structural units on a large scale. A. Dacron. Neoprene is a polymer of chloroprene $(CH_2 = Cl)-CH=CH_2)$ hence it is an addition polymer i.e., not a condensation polymer. Contents1 NEET Chemistry Chapter Wise Mock Test – Polymers1.1 Answers:1.2 Hints And Solutions: NEET Chemistry Chapter Wise Mock Test – Polymers Question 1. - Homopolymer - wherein - Superior resistance to vegetable and mineral oils. term polymer is defined as very large molecules having high molecular mass (103-107u). 284 Views. Glyptal is the trade name of the polymer material that is made from glycerol and phthalic acid. A: Glyptal, the cross-linked polyester, is the thermoset polymer. HCHO. Using a test tube clamp, heat the mixture in the test tube over a Bunsen burner flame. Dacron. D. HCHO. Check Answer and Solution for above quest [CBSE AIPMT 2012] A. Dacron. Assertion : Glyptal is formed by the condensation polymerisation of ethylene glycol and terephthalic acid Reason : Glyptal is used in the manufacture of paints and lacquers What is Glyptal? Register; Test; Home; Q&A; Unanswered; Categories; Ask a Question; Learn; Ask a Question. For example, nylon -6, 6; Classification Based on Molecular Forces. Both starch and cellulose are polymers of glucose. Remember. (A) Glyptal is obtained by the condensation polymerization, of ethylene glycol and terephthalic acid. The cross-linking keeps the polymer chains from moving with respect to one another when heated. However, Glyptal is an older version of the alkyds that we use today. The repeat unit in natural rubber is isoprene. Neoprene is made from monomer chloroprene (2-chlorobuta-1,3-diene). Check Answer and Solution for above question from Chemistry in Polymers - Tardigrade Polymers that can be melted are called thermoplastic polymers. Be the first to write the explanation for this question by commenting below. Which one of the following is not a condensation polymer? Which one of the following is not a condensation polymer? (ii) Glyptic or Alkyd Resin: Glyptal is a common name of all polymers prepared by condensation of di-basic acids, and polyhydric alcohols. In condensation polymerisation, a small molecule is formed as a by-product each time a bond is formed between two monomers. 2. Teflon. Place 5 g of phthalic anhydride and 0.25 g of sodium acetate in a test tube. D. Glyptal. Obtain a paper cup. Addition and Condensation Polymers Addition polymers The simplest glyptal is poly (ethylene glycol phthalate) which is obtained by the condensation of ethylene glycol and pthlatic acid. Options (a) Melamine (b) Glyptal (c) Dacron (d) Neoprene. It did not soften when heated. Correct Answer: Neoprene. Neoprene is made from monomer chloroprene (2-chlorobuta-1,3-diene). Option 1) Melamine. Option 3) Dacron. Which one is classified as a condensation polymer? B. Explanation: No explanation available. Which of the following an addition (chain growth) polymer? Byjus Asked on June 11, 2016 in Chemistry. 5. Glyptal resins are polyester plastics formed by the esterification-polymerisation reaction which occurs between polyols and polybasic organic acids or anhydrides. Which one of the following is not a condensation polymer ? Synthesis of Condensation Polymer: Glyptal Resin 1. It is basically a Polyester. Dacron ( also known as terylene) is a polyester made by condensation polymerisation of ethylene glycol and dimethyl terephthalate. 284 Views. It is used as friction modifier. (a) Glyptal (b) Nylon-6, 6 (c) PTFE (d) Dacron. Some polymers are made via condensation polymerisation. This polymer is used in manufacturing of paints and laquers. Which of the following statements is false? B. Neoprene. Acrylonitrile. Answers (1) P Plabita. [CBSE AIPMT 2012] A.