, the formation of polythene from … Calculate the rate during this interval? Chemistry. Find an answer to your question How are polymers classified on the basis of structure? Such as polythene, polyvinyl chloride etc. Mo… Forex: HDPE, PVC, nylons, etc. How are polymers classified on the basis of structure? Give example of each type. Join now. was last updated on 11th December 2020 3. Polymers can also be classified on the basis of mode of polymerisation into two subgroups. A Hydrocarbon backbone being a long chain of linked carbon and hydrogen atoms, possible due to the tetravalent nature of carbon.A few examples of a hydrocarbon backbone polymer are polypropylene, polybutylene, polystyrene. Copyright © 2020 saralstudy.com. Synthetic Polymers: These are completely man-made polymers and developed in the laboratory. Linear Polymers are straight chain polymers which are formed when monomers are joined end to end. Answer The condensation polymerisation of ethylene glycol and terephthalic acid leads to the formation of dacron. Copyright © 2020 saralstudy.com. Explain the difference between Buna-N and Buna-S. Polymers are classified on the basis of structure as follows: 1. Classification of polymers: Polymers can be classified into several ways. They can be depicted as: For e.g., high density polythene (HDP), polyvinyl chloride, etc. • These chains has no any side chains. Based on tacticity/ molecular forces. Download Free solutions of NCERT physics Class 12th from SaralStudy. (iii) During the preparation of esters from a carboxylic acid and an alcohol in the presence of an acid catalyst, the water or the ester should be removed as soon as it is formed. Classification based on the structure of polymers :- • On the basis of structure they are classified in three types - a) Linear polymers - • In these polymers monomers are linked with each other and form a long straight chain. Log in. By Structure Linear Polymers In these polymers monomers are linked with each other and form a long straight chain. (ii) The monomers of the given polymeric structure are Question 15.19: How is dacron obtained from ethylene glycol and terephthalic acid? How the following conversions can be carried out? Many are interested in the question, what is the structure of polymers. Carbohydrates in grains are classified based on their chemical structures or their digestibility when consumed by humans as food or by livestock as feed.
(iii) Cross-linked polymers such as bakelite, melmac (melamine-formaldehyde polymer), etc. How are polymers classified on the basis of structure? Also, there are polymers which instead of carbon have other elements in its backbone. Polymers are classified into three types on the basis of Structure. Such as polythene, polyvinyl chloride etc. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis? (i) Linear polymer: These polymers consist of long and straight chains. Also find the composition of the vapour phase. In a polymer, various monomer units are joined by strong covalent … Calculate the mass of a non-volatile solute (molar mass 40 g mol-1) which should be dissolved in 114 g octane to reduce its vapour pressure to 80%. a) Natural polymers - • Polymers either obtained from plants or animal are called natural polymers. Log in. If the solubility of H2S in water at STP is 0.195 m, calculate Henry's law constant. Structure 6. They can be depicted as: For e.g., high density polythene (HDP), polyvinyl chloride, etc. Origin 2. What products would be formed when a nucleotide from DNA containing thymine is hydrolysed? The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if total vapour pressure is 600 mm Hg. How are polymers classified on the basis of structure?” Definition and classification of polymer materials are fundamental in the polymer science. (ii) Cross-linked polymers: These are formed from bi- functional and tri- functional monomers. Answer: Polymers are high molecular mass macromolecules composed of repeating structural units derived from monomers. Tacticity 8. These are also known as man-made polymers. On the basis of origin / source. Polymers can be classified on the basis of: Polymers can be classified on the basis of: Books. Based on types of monomers. They can be depicted as: For e.g., high density polythene (HDP), polyvinyl chloride, etc. , the formation of polythene from … Classification of polymers on the basis of method of synthesis. The polymers are defined as macromolecules composed of one or more chemical units (monomers) that are repeated throughout a chain. Cross-linked or Network polymers: These polymers have many cross-linking bonds that give rise to a network-like structure. Addition polymers: The addition polymers are formed by the repeated addition of monomer molecules possessing double or triple bonds, e.g. Drugs can be classified on the basis … What products would be formed when a nucleotide from DNA containing thymine is hydrolysed? Why? (i) Linear Chain Polymers: These are polymers in which monomeric units are linked to form linear chains. On the basis of structure of polymers, these can be classified as : Linear chain polymers; Branched chain polymers; Crossed linked polymers. Classification Of Polymers Polymers are classified in different types on different basis. (i) Linear polymer: These polymers consist of long and straight chains. Mode Of Formation 5. A polymer is like a thread joins many coins punched through the center, in the end we get a string of coins, the coins would be the … Linear polymers: These polymers are formed of long straight chains. 2:56 17.4k LIKES. Examples of synthetic polymers are nylon, teflon, terylene, polyvinyl chloride and synthetic rubber. The practical utility of polymers depends upon their mechanical properties such as, tensile strength, elasticity, toughness, etc. What are emulsions? 4.5k VIEWS. Give plausible explanation for each of the following: (i) Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not. Polymers can be classified in various ways: by physical behaviour (thermoplastic, elastomeric, thermoset) by chemical nature (carbon-chain, carbon-heteroatom-chain, … with many more details possible) Linear polymers: These polymers are formed of long straight chains. Examples of such polymers include bakelite and melmac. how are polymers classified on the basis of struct... General Principles and Processes of Isolation of Elements. Explain the difference between Buna-N and Buna-S. Polymers are classified on the basis of structure as follows: 1. What are their different types? Calculate the mass of urea (NH2CONH2) required in making 2.5 kg of 0.25 molal aqueous solution. Branched chain polymers: These polymers are basically linear chain polymers … (i) Linear polymer: These polymers consist of long and straight chains. There are three different types based on the structure of the polymers. Give plausible explanation for each of the following: (i) Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not. Physical Properties 7. A 5% solution (by mass) of cane sugar in water has freezing point of 271 K. Calculate the freezing point of 5% glucose in water if freezing point of pure water is 273.15 K. H2S, a toxic gas with rotten egg like smell, is used for the qualitative analysis. Linear Polymers In these polymers the monomer units are joined to form a long and linear chain. Henry's law constant for CO2 in water is 1.67 x 108Pa at 298 K. Calculate the quantity of CO2in 500 mL of soda water when packed under 2.5 atm CO2 pressure at 298 K. Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride. They can be depicted as: For e.g., high density polythene (HDP), polyvinyl chloride, etc. Thermal Response 4. ; These mechanical properties depend upon the nature and strength of forces acting between the polymeric chains. These polymers contain bi-functional and tri-functional monomers and strong covalent bonds between various linear polymer chains. However, only one is involved in the formation of semicarbazones. 2. The properties of the polymer (hereinafter - P) are generally divided into several classes depending on the scale at which the property is determined, as well as on its physical basis. 1. Their molecules are closely packed and have high density, tensile strength, and melting point. Answer with step by step detailed solutions to question from Arihant's BITSAT Prep Guide, Polymers- "On the basis of structure of polymers, they can be classified as" plus 6299 more questions from Chemistry. A solution of glucose in water is labelled as 10% w/w, what would be the molality and mole fraction of each component in the solution? Polymers have a high molecular mass (10 3 − 10 7 u). What are emulsions? Branched chain polymers: These polymers are basically linear chain polymers with some branches. Chemically carbohydrates are polyhydroxy aldehydes or ketones, their simple derivatives or their polymers. For example, Nylon, which contains nitrogen atoms in the repeated unit backbone. 2. If the density of solution is 1.2 g mL-1, then what shall be the molarity of the solution? In a reaction, 2A → Products, the concentration of A decreases from 0.5 mol L-1 to 0.4 mol L-1 in 10 minutes. Q.4 Write the names of monomers of the following polymers: Q.5 Explain the difference between Buna-N and Buna-S. Download Free solutions of NCERT physics Class 12th from SaralStudy. Question 15.20: What is a biodegradable polymer? These polymers are represented as: For e.g., low density polythene (LDP), amylopectin, etc. Based on structure of polymers. (ii) Branched chain polymers: These polymers contain linear chains having some branches.  Classification based on source:- • On the basis of sources of polymers they are classified in three types. Answer :: Polymers are high molecular mass substances (103 — 107u) consisting of a very large numb These chains has no any side chains. (ii) There are two -NH2 groups in semicarbazide. Branched chain polymers: Explain with two examples each of the following: coordination entity, ligand, coordination number, coordination polyhedron, homoleptic and heteroleptic. Linear polymers: These polymers are formed of long straight chains. How the following conversions can be carried out? All Rights Reserved. (vi) Benzyl alcohol to 2-phenylethanoic acid, (ix) 2-Chlorobutane to 3, 4-dimethylhexane, (x) 2-Methyl-1-propene to 2-chloro-2-methylpropane, (xix) tert-Butyl bromide to isobutyl bromide.
(ii) Branched polymers such as low density polythene (LDP), amylopectin, glycogen, etc. Chemistry Assignment Help, Classification of polymers - on the basis of structure, Classification of polymers - On the basis of structure On the basis of structure of polymers these can be classified as (i) Linear polymers (ii) Branched chain polymers (iii) Cross linked polymers Monomer Used 3. Ask your question. Such as low density polythene. Examples of such polymers include bakelite and melmac. Questions of this type are frequently asked in competitive entrance exams like … Henry's law constant for CO2 in water is 1.67 x 108Pa at 298 K. Calculate the quantity of CO2in 500 mL of soda water when packed under 2.5 atm CO2 pressure at 298 K. Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride. Polymers can also be classified on the basis of mode of polymerisation into two subgroups. Explain with two examples each of the following: coordination entity, ligand, coordination number, coordination polyhedron, homoleptic and heteroleptic. (iii) During the preparation of esters from a carboxylic acid and an alcohol in the presence of an acid catalyst, the water or the ester should be removed as soon as it is formed. Linear, branched and cross-linked: On the basis of structure polymers are classified as linear, branched and cross-linked polymers. Give simple chemical tests to distinguish between the following pairs of compounds. Q.3 Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polythene. Some common examples are plastic, nylon 6,6, etc. For example,polythene, polyvinyl chloride etc. In a reaction, 2A → Products, the concentration of A decreases from 0.5 mol L-1 to 0.4 mol L-1 in 10 minutes. The practical utility of polymers depends upon their mechanical properties such as, tensile strength, elasticity, toughness, etc. How are polymers classified on the basis of structure? These polymers are represented as: For e.g., low density polythene (LDP), amylopectin, etc. Give example of each type. Elastomers, fibres, thermoplasts and thermosets: On the basis of their properties, polymers may be categorized as elastomers (rubber and silicone), fibres, thermoplastics and thermosets. These polymers contain bi-functional and tri-functional monomers and strong covalent bonds between various linear polymer chains. There are three different types based on the structure of the polymers. With two examples each of the polymers are classified on the basis of method of synthesis coordination... ” Definition and classification of polymers depends upon their mechanical properties depend upon the nature and of. 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