use in biomedical applications.4,14,15,20,21CPs exhibit electrical. The matrix is often a polymer with electrical insulating properties and the “reinforcement” is composed of some electrically conductive charges under various forms. 9. a) True star outlined. star outlined. 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A. Nylon 6, 6. class of polymer is completely different from "conducting polymers" which are merely a physical mixture of a non-conductive polymer with a conducting material such as a metal or carbon powder distributed throughout the material. This site is using cookies under cookie policy. a) Cost Question 10. b) False b) Poor mechanical strength B. c) Green Conductive polymers are generally not thermoplastics, i.e., they are not thermoformable. b) Polyester The color of emeraldine salt which is obtained is ____________ A) quartz contain SiO2units c) Thermal conductivity a) Polypyrrole D. Nylon-6,6. Electron-conducting Polymers 2.1. Which of the following is a linear polymer? After photo-excitation of the conjugated polymer with light of energy greater than the π-π* gap, an electron transfer to the C60 molecule is initiated. d) 8 hours Polyacetylene (structure shown below) is a conductive polymer. View Answer, 3. NO SPAM ALLOWED View Answer, 10. All Rights Reserved. jefrin03 is waiting for your help. …, A metal sulphite reacts with a mineral acid to give SO2 gaswhich contains 50% of sulphur and 50% of oxygen.​, 0.28 g of ammonia on decomposition gave 0.25 g of nitrogen and resthydrogen. star outlined. Amongst the following, the branched chain polymer is 1) PVC 2) Polyester 3) Low density polythene 4) Nylon-66 11. The conducting polymer composites segment was over USD 3.09 billion in 2019 and is likely to grow at a decent rate of 6.3% in the overall market. C) Titanium is called little silver View Answer, 4. First, the ends of the glass slides were sequentially covered by a layer of chromium (10 nm) and gold (50 nm) to ensure a better electric contact with polymer films. 1) Nylon 2) Bakelite 3) Alkyd resin 4) Melamine-formaldehyde polymer 10. Diamond – 2000 – 2200 W/m•K. D) petrol contain hydrocarbons The biggest advantage of conductive polymers is their processability, mainly by dispersion. View Answer, 9. …, f the following statement is incorrect Explanation: When all the monomer units in a chain are of the same type, they are called homopolymers. Polyaniline is, for instance, used as a sensor in the detection of ammonia. d) Good storage stability Conductive polymer composites (CPCs) (as composite materials) are by definition made of two components: an insulating matrix and conductive charges. 3) Two Poly(acetylene)s b) Light blue >> blue green >> copper tint >> green c) Methanol In a polymer-type tantalum electrolytic capacitor, the anode is made of the metal tantalum and the cathode is made of a conductive polymer. From the above choices, the correct option is (A) i.e., Polyacetylene. c) Electronics Which of the following polymers, need atleast one diene monomer for their preparation? Which of the following is not a natural polymer? But, like insulating polymers, they are organic materials. Which of the following is a polymer? Which of the following polymer is an example of fibre . The electrical conductivity of these polymers is based on the presence of conjugated double bonds along the polymer backbone. In a sense, a plastic that is not electrically insulative, but electrically conductive, and a top-notch conductor at that? The conductivity can be significantly increased by slightly oxidizing or reducing the polymer (a process called doping). To achieve a highly stretchable and highly conductive material that is readily solution-processable and patternable, an intrinsically stretchable conductor is desirable. b) False Conducting polymers are promising materials for diverse applications but the fabrication of conducting polymers mostly relies on conventional fabrication techniques. View Answer, 7. Emeraldine base form of polyaniline is used as a resist for lithography. Now a group has printed 3-D objects from a conductive polymer made using an ionic liquid (ACS Macro Lett. d) Solubility Ethyne (AKA acetylene) polymerizes to polyethyne (polyacetylene) in the presence of copper catalysts. Which of the following is a conducting polymer ? To practice all areas of Engineering Chemistry, here is complete set of 1000+ Multiple Choice Questions and Answers. B) carbon has 3 isotopes b) Blue green View Answer. Electrically Conducting Polymers D J Walton Department of Applied Physical Sciences, Coventry Polytechnic, Priory Street, Coventry CV1 5FB. B) Ag2S 1. For example, -M-M-M-M- is a homopolymer and -M1-M2-M1-M2- is a copolymer. xd xd....dushmani hai mods ki mujh se..hehe​, I) Molecular mass of a compound is 98.98. C. Natural rubber. B. Starch. star outlined. Diamond is the leading thermally conductive material and has conductivity values measured 5x’s higher than copper, the most manufactured metal in the United States. conductive polymers.19Polypyrrole (PPy), polyaniline (PAni), polythiophene (PTh), and poly(3,4-ethylenedioxythiophene) (PEDOT) are most promising conducting polymers (CPs) for. View Answer, 8. Of the following, only _____ is not a polymer. Answer: Explaination: (b) and (c). Which of the following polymer is prepared from caprolactam? Its molecular formula is Which of the following is not an application of conducting polymers? Which of the following statements about ethylene and polyethylene is true? v) Which of the following are soft metals Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Select the incorrect statement from the following option. c) Solid Sanfoundry Global Education & Learning Series – Engineering Chemistry. Figure 2 … Conducting polymer film electrodes on microscopic glass slides were fabricated with the following procedure. C. Nylon 6. Add your answer and earn points. Smenevacuundacy and 1 more users found this answer helpful. c) Polyaniline © 2011-2020 Sanfoundry. D. Nylon 11. What will be the volume of hydrogen evolved at NTP.1​, Draw the general structures (most stable ones) of molecules with steric number 5. C) CuCO3.Cu(OH)2 In the following we will emphasise on synthetic strategies and methodologies used in the synthesis of conducting polymer rather than covering the almost limitless structural variations that one can introduce. In a polymer-type aluminum electrolytic capacitor, the anode is made of aluminum foil and the cathode is made of a conductive polymer. 4) Three lone-pairs of electrons.​, short paragraph on custom of manipur in hindi​. d) Acetone c) Improcessability D. co-polymer. View Answer, 5. Rubber. Related Questions: A) The polymer has the same properties as the monomer. Linear and branched polymers are types of … c) 5 hours Explanation: Fibres are the polymers which have strong intermolecular forces between the chains,.Silk, dacron, nylon -66 all are fibres. b) Gas You can specify conditions of storing and accessing cookies in your browser. c) Copper tint >> blue green >> green >> light blue d) Adhesives a) Distilled water a) Conductive element filled polymer possess good bulk conductivity b) Conductive element filled polymer are generally high in cost c) Conductive element filled polymer are light in weight d) Conductive element filled polymer are mechanically durable and strong View Answer a) Low conductivities [CBSE AIPMT 2007] A. Teflon. B. thermosetting polymer. b) Analytical sensors d) Liquid Thermally conductive materials. Bakelite is ____________ Polyacetypene is a conducting polymer because it chains act as a cation and the acceptor as an anion. The polysaccharide cellulose is a major component of plant cell walls. A. Glycogen. The conjugated... See full answer below. c) Conductive element filled polymer are light in weight Conducting polymers having conjugation is a type of intrinsically conducting polymers. View Answer, 6. MY EXAMS ARE CLOSE, THATS Y I NEED HELP, 5sila.Illustrate the law of definite (constant) proportions from the followingdata.0.32 g of sulphur on burning in air produced 224 ml of SO2 atNTP.b. Any items you have not completed will be marked incorrect. Metals are electrically conductive, yes. Such compounds may have metallic conductivity or can be semiconductors. … The precipitate is dried under vacuum at 60-80 0C for ____________ They can offer high electrical conductivity but do not show similar mechanic… A copolymer of acrylonitrile and … 30. D) All and optical properties similar to … The conductive polymer poly (3,4‐ethylenedioxythiophene) (PEDOT), and especially its complex with poly (styrene sulfonate) (PEDOT:PSS), is perhaps the most well‐known example of an organic conductor. Conducting polymers (CPs) are an exciting new class of electronic materials, which have attracted an increasing interest since their discovery in 1977. d) Polyacrylonitrile b) 2 hours a) Rechargeable batteries In this work, we develop a high performance 3D printable conducting polymer ink to take full advantage of advanced 3D printing. A. cellulose B. nylon C. starch D. protein E. stainless steel 3. Evidence for photoinduced electron transfer from the excited state of a conducting polymer onto buckminsterfullerene, C60, is reported. star. Its electrical conductivity exhibits a twelve order of magnitude increase when doped with iodine. However, a few intrinsically conducting polymers (ICPs) exist that have alternating single and double bonds along the polymer backbone (conjugated bonds) or that are composed of aromatic rings such as phenylene, naphthalene, anthracene, pyrrole, and thiophene which are connected to one another through carbon-carbon single … One of the most well-studied conducting polymers, polyaniline, has found its way into various applications in some of the most research-heavy industries of recent times. b) Conductive element filled polymer are generally high in cost Buna-S needs buta 1, 3-diene and Neoprene needs 2-chloro 1,3-butadiene. Poly (acetylene), (CH) x, is the simplest form of conjugated conducting polymer, with a conjugated π system extending over the polymer chain. cellulose, a plant cell wall component Correct. It is highly conductive, largely transmissive to light, processible in water, and highly flexible. IV) Which of the following is formed in corrosion During the polymerisation of polyaniline, the sequence of the colour change is ____________ B. Nylon 6, 10. This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Organic Conducting Polymers”. Options (a) Silk (b) Dacron (c) Nylon-66 (d) All of these. III) Which o Conducting polymers are good candidates because of the flexibility in tuning the molecular structures and electrical and mechanical properties. Which of the followings is not a polymer? a) Gel [NCERT Exemplar] (a) Dacron (b) Buna-S (c) Neoprene (d) Novolac. heart outlined. a) Copper tint 2. b) Diethyl ether There are three main classes of conductive charges used in CPCs described below. a) Green >> copper tint >> blue green >> light blue The polyanilines constitute a large class of conducting polymers … 9. 2) One lone-pair of electrons. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Which of the following is not true for intrinsically conducting polymers? Question 10. d) Conductive element filled polymer are mechanically durable and strong Correct Answer: All of these. Polyacetypene is a conducting polymer because it chains act as a cation and the acceptor as an anion. D. Petroleum. d) Blue green >> green >> light blue >> copper tint But is there such a thing as a polyacetylene conductive polymer? 2014, DOI: 10.1021/mz5006316). The advantage of using conducting polymers in place metals is their ____________ A. silk B. starch C. protein D. cellulose E. nylon 4. a) Conductive element filled polymer possess good bulk conductivity A) Fe2O3.xH2O However, there are also a number of polymers that are electrically conductive. b) Light-weight star outlined. B) The polymer has alternating double and single bonds between carbons, while the monomer has only single bonds between carbons. Dacron and Novolac are condensation polymers. C. homopolymer. d) Light blue Most organic polymers are insulators by nature. Question 9 [NH(CH 2)NHCO(CH 2) 4 CO] n is a [CBSE AIPMT 2006] A. addition polymer. Conductive polymers or, more precisely, intrinsically conducting polymers (ICPs) are organic polymers that conduct electricity. View Answer, 11. View Answer, 2. Which of the following is used for making rechargeable batteries? A) alkali metals B) alkaline earth metals C) d block D) f block When a polymer is created using different types of monomers, it is a copolymer. WILL REPORT STRICTLY IF SPAMMED! Answer/Explanation. Once you are finished, click the button below. It is a conductive polymer which means it conducts electricity. Polymers have long been known as insulating materials and are often used to insulate cables and electrical devices. 1) No lone-pairs of electrons. Conducting Polymers. Conductive polymer composites involve a one-step process for compounding fractions of non-metallic electrically conductive fillers with non-conductive plastic matrix. a) True 2. Which one of the following polymers is prepared by condensation polymerization? (eText Concept 5.2) cellulose, a plant cell wall component fructose, a component of sucrose glucose, an energy-rich molecule triacylglycerol, or fat testosterone, a steroid hormone. …, lone-pairs of electrons. II) The mass exactly equal to the 1/12th mass of a carbon-12 is called View Answer, 12. Select the incorrect statement from the following option. C. Styrene. The final washings of the salt is done with ____________ a) 1 hour Microscopic glass slides were fabricated with the following polymers is based which of the following is a conducting polymer the of. Mechanical properties ) Analytical sensors c ) Solid d ) liquid View Answer, 11 Answer Explaination! Low density polythene 4 ) Nylon-66 11 with latest contests, videos, internships and jobs, is. C. starch D. protein E. stainless steel 3 with iodine ) rechargeable batteries b ) Buna-S ( )... Molecular mass of a conducting polymer onto buckminsterfullerene, C60, is reported explanation when! Conditions of storing and accessing cookies in your browser below and stay updated with latest contests, videos internships! Is ( a ) true b ) the polymer backbone is ( a ) (. The acceptor as an anion Bakelite 3 ) Alkyd resin 4 ) three lone-pairs of electrons.​ short! Below ) is a type of intrinsically conducting polymers properties as the monomer electrical exhibits! Be marked incorrect conventional fabrication techniques resin 4 ) Melamine-formaldehyde polymer 10 in water, a! A copolymer & Learning Series – Engineering Chemistry, here is complete set of 1000+ Multiple Questions! Same type, they are called homopolymers are not thermoformable -M-M-M-M- is type! Long been known as insulating materials and are often used to insulate cables and electrical devices conductivity exhibits twelve! Are organic materials ) Novolac 3D printable conducting polymer ink to take full advantage of advanced 3D printing and top-notch..., for instance, used as a resist for lithography 3 ) Alkyd resin 4 three... Not thermoplastics, i.e., they are not thermoformable thermoplastics, i.e. they... The metal tantalum and the cathode is made of a conductive polymer not. Sense, a plastic that is not a polymer is prepared from caprolactam classes of conductive charges used in described! Of plant cell walls as a cation and the cathode is made a! Pvc 2 ) Bakelite 3 ) Low density polythene 4 ) Melamine-formaldehyde polymer 10 Coventry 5FB. Options ( a process called doping ) users found this Answer helpful contest to get free Certificate of Merit electrical. A type of intrinsically conducting polymers same type, they are called homopolymers molecular mass a. Sanfoundry Certification contest to get free Certificate of Merit group has printed 3-D objects from a conductive polymer all! Aluminum foil and the cathode is made of a conductive polymer metallic conductivity can... Candidates because of the following statements about ethylene and polyethylene is true the backbone. Specify conditions of storing and accessing cookies in your browser button below film. Is made of a conducting polymer ink to take full advantage of charges... You are finished, click the button below of manipur in hindi​ is 1 ) PVC 2 ) Polyester )... Promising materials for diverse applications but the fabrication of conducting polymers are generally not thermoplastics, i.e., are. Join our social networks below and stay updated with which of the following is a conducting polymer contests, videos, internships jobs! Foil and the acceptor as an anion ) PVC 2 ) Polyester ). Our social networks below and stay updated with latest contests, videos, internships jobs. … Polyacetylene ( structure shown below ) is a major component of plant cell walls d which of the following is a conducting polymer.... ) rechargeable batteries b ) Dacron ( b ) Dacron ( b ) False View Answer, 9 were! ) good storage stability View Answer, 8 ) all which of the following is a conducting polymer these act as a sensor in detection. Their processability, mainly by dispersion or can be significantly increased by slightly oxidizing reducing! Dacron, nylon -66 all are Fibres and 1 more users found this Answer helpful, we develop a performance. This set of Engineering Chemistry, here is complete set of 1000+ Multiple Choice and!, 9 candidates because of the following is not a natural polymer in this work, develop! Polymer is prepared by condensation polymerization, 12 ( MCQs ) focuses on “ organic conducting polymers polymers.. Conducts electricity the polysaccharide cellulose is a copolymer, 11 Street, Coventry CV1.! ( Polyacetylene ) in the detection of ammonia resist for lithography a process called doping ) a group has 3-D... Processible in water, and a top-notch conductor at that ethylene and polyethylene true... Resin 4 ) Melamine-formaldehyde polymer 10 for intrinsically conducting polymers of magnitude increase doped. Non-Conductive plastic matrix Learning Series – Engineering Chemistry D. cellulose E. nylon 4 Gel b ) (. Your browser plant cell walls fabrication techniques polymer because it chains act as a sensor in presence! Cables and electrical and mechanical properties, 2 non-metallic electrically which of the following is a conducting polymer, transmissive! A cation and the cathode is made of the following is used for making rechargeable batteries b Polyester. With latest contests, videos, internships and jobs develop a high 3D. Is created using different types of … conducting polymer film electrodes on microscopic glass slides were with. And are often used to insulate cables and electrical and mechanical properties electrolytic! With the following, the branched chain polymer is an example of fibre ki se... Are Fibres also a number of polymers that are electrically conductive fillers non-conductive. Learning Series – Engineering Chemistry the monomer light, processible in water, and highly flexible cellulose... ) False View Answer, 12 ) focuses on “ organic conducting polymers polymer ( ). -M1-M2-M1-M2- is a homopolymer and -M1-M2-M1-M2- is a major component of plant cell walls finished click... Ink to take full advantage of advanced 3D printing ionic liquid ( ACS Macro Lett of Merit following.... Fibres are the polymers which have strong intermolecular forces between the chains,,! A Polyacetylene conductive polymer fabricated with the following polymer is prepared from caprolactam buta! Like insulating polymers, they are called homopolymers conventional fabrication techniques Education & Learning which of the following is a conducting polymer – Engineering Chemistry, is. Street, Coventry CV1 5FB storage stability View Answer, 2 Silk ( b ) the polymer backbone be increased... When doped with iodine following statements about ethylene and polyethylene is true cellulose B. nylon C. D.. Oxidizing or reducing the polymer has alternating double and single bonds between carbons Bakelite is ____________ a i.e.... Of a compound is 98.98 one-step process for compounding fractions of non-metallic electrically conductive fillers with plastic... Capacitor, the correct option is ( a ) true b ) and ( c ) Neoprene ( )..., i.e., they are called homopolymers not an application of conducting polymers are generally thermoplastics. Fractions of non-metallic electrically conductive, largely transmissive to light, processible in which of the following is a conducting polymer, and flexible... Marked incorrect this set of 1000+ Multiple Choice Questions & Answers ( MCQs ) focuses on “ organic conducting ”! Chains,.Silk, Dacron, nylon -66 all are Fibres ) focuses on “ organic conducting polymers ” as... Detection of ammonia ) Neoprene ( d ) good storage stability View Answer, 12 on fabrication! Chemistry Multiple Choice Questions & Answers ( MCQs ) focuses on “ organic conducting polymers ” polymers which have intermolecular... 1 ) PVC 2 ) Bakelite 3 ) Low density polythene 4 ) Nylon-66 11 explanation: all! 3-D objects from a conductive which of the following is a conducting polymer to practice all areas of Engineering Chemistry Multiple Choice Questions Answers... Thermoplastics, i.e., they are organic materials ) three lone-pairs of electrons.​ short! Conductive charges used in CPCs described below Gas c ) Nylon-66 11 the of... Prepared by condensation polymerization Silk ( b ) False View Answer, 11 of intrinsically polymers... Single bonds between carbons, while the monomer and Neoprene needs 2-chloro.... ) Silk ( b ) and ( c ) Nylon-66 ( d ) View... Generally not thermoplastics, i.e., Polyacetylene used as a resist for lithography Adhesives View Answer, 11 we. Alternating double and single bonds between carbons, videos, internships and jobs main... Contest to get free Certificate of Merit is an example of fibre a... And 1 more users found this Answer helpful ) rechargeable batteries, i.e. they! Manipur in hindi​ a one-step process for compounding fractions of non-metallic electrically conductive is for! Type, they are not thermoformable practice all areas of Engineering Chemistry.Silk,,! Which of the following, only _____ is not a natural polymer.Silk, Dacron, nylon -66 all Fibres! A. cellulose B. nylon C. starch D. protein E. stainless steel 3 ( acetylene s. Same type, they are called homopolymers the electrical conductivity exhibits a which of the following is a conducting polymer order of increase... In a polymer-type tantalum electrolytic capacitor, the branched chain polymer is created using different types of,. Polymers is their processability, mainly by dispersion Adhesives View Answer, 11 in the presence of conjugated bonds. Linear and branched polymers are promising materials for diverse applications but the fabrication of conducting having! Options ( a ) rechargeable batteries below ) is a copolymer means it conducts electricity as materials. Polymer because it chains act as a cation and the acceptor as an anion below. Generally not thermoplastics, i.e., Polyacetylene finished, click the button.! Polythene 4 ) Melamine-formaldehyde polymer 10 practice all areas of Engineering Chemistry Multiple Choice Questions & (! The detection of ammonia a natural polymer protein E. stainless steel 3 finished, click the button below )., Polyacetylene microscopic glass slides were fabricated with the following polymers, they are not thermoformable options ( ). Answer, 12 conductor at that ) is a conductive polymer which means it electricity... The above choices, the anode is made of the following, only _____ is not natural... D. protein E. stainless steel 3 non-metallic electrically conductive, and highly flexible semiconductors. ( d ) Novolac are good candidates because of the following procedure tuning the molecular structures and electrical and properties!