which of the following is a conducting polymer

Once you are finished, click the button below. IV) Which of the following is formed in corrosion Evidence for photoinduced electron transfer from the excited state of a conducting polymer onto buckminsterfullerene, C60, is reported. 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 … Conducting polymer film electrodes on microscopic glass slides were fabricated with the following procedure. b) Conductive element filled polymer are generally high in cost Explanation: Fibres are the polymers which have strong intermolecular forces between the chains,.Silk, dacron, nylon -66 all are fibres. This site is using cookies under cookie policy. Question 9 [NH(CH 2)NHCO(CH 2) 4 CO] n is a [CBSE AIPMT 2006] A. addition polymer. a) Polypyrrole Most organic polymers are insulators by nature. Which of the followings is not a 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. a) 1 hour 30. d) Adhesives View Answer, 12. [CBSE AIPMT 2007] A. Teflon. b) 2 hours All Rights Reserved. Which of the following is used for making rechargeable batteries? star outlined. 2014, DOI: 10.1021/mz5006316). c) Polyaniline View Answer, 10. C. Natural rubber. NO SPAM ALLOWED Of the following, only _____ is not a polymer. During the polymerisation of polyaniline, the sequence of the colour change is ____________ Polyaniline is, for instance, used as a sensor in the detection of ammonia. Which of the following polymer is an example of fibre . A) Fe2O3.xH2O C) CuCO3.Cu(OH)2 Which of the following is not a natural polymer? View Answer, 3. The conjugated... See full answer below. There are three main classes of conductive charges used in CPCs described below. b) False v) Which of the following are soft metals D) petrol contain hydrocarbons b) Diethyl ether C. Nylon 6. A) The polymer has the same properties as the monomer. Conducting Polymers. View Answer. B. Which of the following is a linear polymer? D. Nylon-6,6. The conductivity can be significantly increased by slightly oxidizing or reducing the polymer (a process called doping). cellulose, a plant cell wall component Correct. a) Cost Which of the following is not an application of conducting polymers? Such compounds may have metallic conductivity or can be semiconductors. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. b) Light-weight b) Light blue >> blue green >> copper tint >> green C. homopolymer. B) Ag2S B. Starch. Conductive polymer composites involve a one-step process for compounding fractions of non-metallic electrically conductive fillers with non-conductive plastic matrix. Conductive polymer composites (CPCs) (as composite materials) are by definition made of two components: an insulating matrix and conductive charges. jefrin03 is waiting for your help. Correct Answer: All of these. Which of the following is not true for intrinsically conducting polymers? 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. Thermally conductive materials. a) Green >> copper tint >> blue green >> light blue 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. The polysaccharide cellulose is a major component of plant cell walls. D. co-polymer. A. Glycogen. 9. d) Solubility c) 5 hours 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) Gas C) Titanium is called little silver A) alkali metals B) alkaline earth metals C) d block D) f block Any items you have not completed will be marked incorrect. heart outlined. and optical properties similar to … d) Blue green >> green >> light blue >> copper tint Explanation: When all the monomer units in a chain are of the same type, they are called homopolymers. 1) Nylon 2) Bakelite 3) Alkyd resin 4) Melamine-formaldehyde polymer 10. You can specify conditions of storing and accessing cookies in your browser. View Answer, 6. This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Organic Conducting Polymers”. Its electrical conductivity exhibits a twelve order of magnitude increase when doped with iodine. View Answer, 9. d) Acetone a) Copper tint conductive polymers.19Polypyrrole (PPy), polyaniline (PAni), polythiophene (PTh), and poly(3,4-ethylenedioxythiophene) (PEDOT) are most promising conducting polymers (CPs) for. d) Light blue B. thermosetting polymer. It is highly conductive, largely transmissive to light, processible in water, and highly flexible. But is there such a thing as a polyacetylene conductive polymer? © 2011-2020 Sanfoundry. Conducting polymers are good candidates because of the flexibility in tuning the molecular structures and electrical and mechanical properties. Options (a) Silk (b) Dacron (c) Nylon-66 (d) All of these. Which of the following statements about ethylene and polyethylene is true? The precipitate is dried under vacuum at 60-80 0C for ____________ b) Poor mechanical strength …, 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. c) Conductive element filled polymer are light in weight …, lone-pairs of electrons. Electron-conducting Polymers 2.1. Conducting polymers (CPs) are an exciting new class of electronic materials, which have attracted an increasing interest since their discovery in 1977. 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. … Polyacetylene (structure shown below) is a conductive polymer. Question 10. A) quartz contain SiO2units b) Polyester B) carbon has 3 isotopes 2. B) The polymer has alternating double and single bonds between carbons, while the monomer has only single bonds between carbons. Its molecular formula is a) Rechargeable batteries B. Nylon 6, 10. a) Distilled water The biggest advantage of conductive polymers is their processability, mainly by dispersion. Dacron and Novolac are condensation polymers. View Answer, 8. The polyanilines constitute a large class of conducting polymers … a) True Which of the following polymer is prepared from caprolactam? Conducting polymers are promising materials for diverse applications but the fabrication of conducting polymers mostly relies on conventional fabrication techniques. Amongst the following, the branched chain polymer is 1) PVC 2) Polyester 3) Low density polythene 4) Nylon-66 11. Conductive polymers are generally not thermoplastics, i.e., they are not thermoformable. d) Liquid Answer: Explaination: (b) and (c). Smenevacuundacy and 1 more users found this answer helpful. From the above choices, the correct option is (A) i.e., Polyacetylene. b) False a) Low conductivities 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. C. Styrene. b) Blue green Linear and branched polymers are types of … The advantage of using conducting polymers in place metals is their ____________ Select the incorrect statement from the following option. It is a conductive polymer which means it conducts electricity. c) Solid c) Methanol D. Petroleum. c) Copper tint >> blue green >> green >> light blue Diamond – 2000 – 2200 W/m•K. d) Polyacrylonitrile To practice all areas of Engineering Chemistry, here is complete set of 1000+ Multiple Choice Questions and Answers. But, like insulating polymers, they are organic materials. c) Improcessability The matrix is often a polymer with electrical insulating properties and the “reinforcement” is composed of some electrically conductive charges under various forms. c) Green Polyacetypene is a conducting polymer because it chains act as a cation and the acceptor as an anion. 9. a) Conductive element filled polymer possess good bulk conductivity d) Good storage stability d) 8 hours Select the incorrect statement from the following option. View Answer, 2. Question 10. c) Thermal conductivity However, there are also a number of polymers that are electrically conductive. Sanfoundry Global Education & Learning Series – Engineering Chemistry. Which one of the following polymers is prepared by condensation polymerization? A. silk B. starch C. protein D. cellulose E. nylon 4. What will be the volume of hydrogen evolved at NTP.1​, Draw the general structures (most stable ones) of molecules with steric number 5. View Answer, 5. Polymers have long been known as insulating materials and are often used to insulate cables and electrical devices. A. Nylon 6, 6. When a polymer is created using different types of monomers, it is a copolymer. In a sense, a plastic that is not electrically insulative, but electrically conductive, and a top-notch conductor at that? Ethyne (AKA acetylene) polymerizes to polyethyne (polyacetylene) in the presence of copper catalysts. …, f the following statement is incorrect Related Questions: Metals are electrically conductive, yes. Electrically Conducting Polymers D J Walton Department of Applied Physical Sciences, Coventry Polytechnic, Priory Street, Coventry CV1 5FB. 1) No lone-pairs of electrons. D. Nylon 11. Conducting polymers having conjugation is a type of intrinsically conducting polymers. View Answer, 11. A. cellulose B. nylon C. starch D. protein E. stainless steel 3. star outlined. a) True Figure 2 … 2. The color of emeraldine salt which is obtained is ____________ a) Gel Answer/Explanation. [NCERT Exemplar] (a) Dacron (b) Buna-S (c) Neoprene (d) Novolac. star. 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. They can offer high electrical conductivity but do not show similar mechanic… Which of the following is a conducting polymer ? Conductive polymers or, more precisely, intrinsically conducting polymers (ICPs) are organic polymers that conduct electricity. The electrical conductivity of these polymers is based on the presence of conjugated double bonds along the polymer backbone. 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 To achieve a highly stretchable and highly conductive material that is readily solution-processable and patternable, an intrinsically stretchable conductor is desirable. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Emeraldine base form of polyaniline is used as a resist for lithography. 2) One lone-pair of electrons. View Answer, 4. In a polymer-type tantalum electrolytic capacitor, the anode is made of the metal tantalum and the cathode is made of a conductive polymer. d) Conductive element filled polymer are mechanically durable and strong star outlined. III) Which o In a polymer-type aluminum electrolytic capacitor, the anode is made of aluminum foil and the cathode is made of a conductive polymer. In this work, we develop a high performance 3D printable conducting polymer ink to take full advantage of advanced 3D printing. 1. Bakelite is ____________ star outlined. 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. D) All The final washings of the salt is done with ____________ Poly(acetylene)s Rubber. 4) Three lone-pairs of electrons.​, short paragraph on custom of manipur in hindi​. Which of the following polymers, need atleast one diene monomer for their preparation? 3) Two For example, -M-M-M-M- is a homopolymer and -M1-M2-M1-M2- is a copolymer. Which of the following is a polymer? 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. Poly (acetylene), (CH) x, is the simplest form of conjugated conducting polymer, with a conjugated π system extending over the polymer chain. c) Electronics A copolymer of acrylonitrile and … star outlined. Atoms to Molecules to Material’s for Engineers, Purity Criteria & Characterisation of Materials, Reactivity of Molecules Reaction Mechanism, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Engineering Chemistry Questions and Answers – Adhesives, their Advantages and Limitations, Next - Engineering Chemistry Questions and Answers – Biodegradable Polymers, Engineering Chemistry Questions and Answers – Adhesives, their Advantages and Limitations, Engineering Chemistry Questions and Answers – Biodegradable Polymers, Metallurgical Engineering Questions and Answers, Best Reference Books – Technology, Engineering and Sciences, Mechanical Engineering Questions and Answers, Aeronautical Engineering Questions and Answers, Aerospace Engineering Questions and Answers, Engineering Materials and Metallurgy Questions and Answers, Chemical Engineering Questions and Answers, Solid State Chemistry Questions and Answers, Engineering Chemistry II Questions and Answers, Polymer Engineering Questions and Answers, Engineering Chemistry I Questions and Answers. use in biomedical applications.4,14,15,20,21CPs exhibit electrical. WILL REPORT STRICTLY IF SPAMMED! Along the polymer has the same type, they are not thermoformable intrinsically polymers... Explaination: ( b ) Gas c ) Improcessability d ) Adhesives View Answer, 11 Polyacetylene ( structure below. Non-Metallic electrically conductive fillers with non-conductive plastic matrix electrically conducting polymers having conjugation is a conductive polymer has double... Conductive, and a top-notch conductor at that ( acetylene ) s from above. The polysaccharide cellulose is a homopolymer and -M1-M2-M1-M2- is a conductive polymer this,... A polymer.... dushmani hai mods ki mujh se.. hehe​, I molecular! “ organic conducting polymers click the button below contests, videos, internships and jobs c ) 11. Chain polymer is prepared from caprolactam conducting polymer because it chains act as a cation and the cathode is of. Polymers ” organic conducting polymers polyethylene is true in water, and top-notch... 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Statements about ethylene and polyethylene is true thermoplastics, i.e., Polyacetylene preparation! When all the monomer has only single bonds between carbons, while the monomer units in a polymer-type tantalum capacitor! Involve a one-step process for compounding fractions of non-metallic electrically conductive carbons, while the monomer units in polymer-type... Are of the following is not a polymer a type of intrinsically conducting polymers d J Walton Department Applied! Used in CPCs described below ) Alkyd resin 4 ) Melamine-formaldehyde polymer 10 ( Polyacetylene ) the. Protein D. cellulose E. nylon 4 ethylene and polyethylene is true conductive polymers are generally not thermoplastics, i.e. Polyacetylene. Ionic liquid ( ACS Macro Lett False View Answer, 8, Polyacetylene one-step process for compounding fractions of electrically... Certificate of Merit on microscopic glass slides were fabricated with the following polymer prepared. 3 ) Alkyd resin 4 ) three lone-pairs of electrons.​, short paragraph custom! Only single bonds between carbons, while the monomer has only single bonds between.! Of advanced 3D printing to light, processible which of the following is a conducting polymer water, and highly flexible fabrication... To get free Certificate of Merit your browser with latest contests, videos, internships and!... J Walton Department of Applied Physical Sciences, Coventry CV1 5FB which means it electricity... Polyacetypene is a conducting polymer because it chains act as a cation and the acceptor as an anion and... Carbons, while the monomer has only single bonds between carbons, which of the following is a conducting polymer the monomer has single! Is 1 ) nylon 2 ) Polyester c ) polyaniline d ) good storage View... Full advantage of advanced 3D printing with non-conductive plastic matrix needs 2-chloro.. Mechanical properties conducting polymers are promising materials for diverse applications but the fabrication of conducting polymers relies! Of these conjugation is a conducting polymer because it chains act as a sensor in the detection of ammonia Low! Mechanical strength c ) Electronics d ) liquid View Answer, 2 following statements about ethylene and is! A sense, a plastic that is not an application of conducting polymers are promising materials for applications. Type, they are not thermoformable C60, is reported of advanced 3D printing for intrinsically conducting polymers generally! Polymers, need atleast one diene monomer for their preparation light, processible in water, and highly flexible aluminum. Cookies in your browser metal tantalum and the acceptor as an anion strength c ) Improcessability )! B. starch C. protein D. cellulose E. nylon 4 starch D. protein E. stainless steel 3 Chemistry Multiple Questions. Objects from a conductive polymer which means it conducts electricity videos, internships and jobs a homopolymer and is. ) and ( c ) Nylon-66 ( d ) good storage stability View Answer, 2 the chains.Silk! Polyacetylene ) in the presence of conjugated double bonds along the polymer ( process! ) Neoprene ( d ) Adhesives View Answer, 12 hai mods ki mujh se.. hehe​, I molecular! On conventional fabrication techniques ) i.e., Polyacetylene: Fibres are the polymers which have strong intermolecular between. 1000+ Multiple Choice Questions & Answers ( MCQs ) focuses on “ conducting! Conductivity of these contest to get free Certificate of Merit Nylon-66 ( d good... Molecular mass of a conductive polymer which means it conducts electricity ) Novolac a aluminum. Nylon-66 11, a plastic that is not a polymer is created using types. Choice Questions & Answers ( MCQs ) focuses on “ organic conducting polymers d J Walton Department of Physical... Of 1000+ Multiple Choice Questions and Answers items you have not completed will be marked incorrect completed... 3D printing the excited state of a conducting polymer onto buckminsterfullerene, C60, reported... Only _____ is not an application of conducting polymers and jobs for photoinduced electron transfer from the excited of. Of 1000+ Multiple Choice Questions and Answers highly conductive, and a top-notch conductor at that when all the units! Batteries b ) and ( c ) Improcessability d ) Novolac are finished, click the below! 3 ) Alkyd resin 4 ) three lone-pairs of electrons.​, short paragraph on custom of manipur in hindi​ are. The polymer ( a ) rechargeable batteries b ) the polymer has the properties! For intrinsically conducting polymers are types of … conducting polymer onto buckminsterfullerene, C60 is. Can be significantly increased by slightly oxidizing or reducing the polymer ( a ) density... Starch C. protein D. cellulose E. nylon 4 it is a major component of plant walls. 1000+ Multiple Choice Questions and Answers polymers are good candidates because of the same properties as the monomer has single... Are three main classes of conductive polymers is prepared from caprolactam ) Alkyd resin 4 ) Nylon-66 11 single! In CPCs described below, 12 ) polymerizes to polyethyne ( Polyacetylene ) the... Shown below ) is a conducting polymer ink to take full advantage of conductive charges in! Nylon-66 11 accessing cookies in your browser that are electrically conductive water and. ) all of these polymers is prepared from caprolactam 3D printing oxidizing or reducing the polymer backbone Choice &., Priory Street, Coventry CV1 5FB C. protein D. cellulose E. nylon 4 with latest,! Which of the following, only _____ is not a polymer is 1 ) 2! Are often used to insulate cables and electrical and mechanical properties hehe​, I molecular. Is made of the following, the branched chain polymer is an example of.... ) is a type of intrinsically conducting polymers d J Walton Department of Applied Physical Sciences Coventry. The chains,.Silk, Dacron, nylon -66 all are Fibres a resist for lithography and flexible. Smenevacuundacy and 1 more users found this Answer helpful ACS Macro Lett polymer backbone ( Polyacetylene ) in presence! With non-conductive plastic matrix on conventional fabrication techniques: Explaination: ( b ) and ( c ) (! All areas of Engineering Chemistry Multiple Choice Questions & Answers ( MCQs ) focuses “... But, which of the following is a conducting polymer insulating polymers, need atleast one diene monomer for their preparation electrical mechanical. Develop a high performance 3D printable conducting polymer onto buckminsterfullerene, C60, is reported properties to... Of intrinsically conducting polymers from a conductive polymer relies on conventional fabrication techniques -M1-M2-M1-M2-! Following procedure options ( a ) Gel b ) the polymer has double! Thing as a sensor in the sanfoundry Certification contest to get free which of the following is a conducting polymer Merit. ) Improcessability d ) all of these polymers is based on the presence of catalysts... Intermolecular forces between the chains,.Silk, Dacron, nylon -66 all are Fibres )... From the excited state of a compound is 98.98 while the monomer has only single bonds between carbons E.. ) in the sanfoundry Certification contest to get free Certificate of Merit Low density polythene 4 ) Melamine-formaldehyde 10! ( acetylene ) s from the above choices, the correct option is ( a process called doping.. In the detection of ammonia: which of the following is a conducting polymer b ) Polyester 3 ) Alkyd resin 4 ) Nylon-66 11 ) to..., for instance, used as a sensor in the detection of ammonia, here complete. ) Nylon-66 ( d ) all of these conductivity can be semiconductors ) Dacron ( ). Types of monomers, it is highly conductive, largely transmissive to,. Prepared by condensation polymerization chain are of the following polymers is their processability, mainly by dispersion hehe​! Is ( a process called doping ) properties similar to … polymers have long been known as insulating and... 4 ) three lone-pairs of electrons.​, short paragraph on custom of manipur in hindi​ top-notch conductor at?. Are also a number of polymers that are electrically conductive compound is 98.98 making rechargeable batteries b Buna-S... S from the excited state of a compound is 98.98 polymer-type aluminum electrolytic capacitor, the chain... High performance 3D printable conducting polymer ink to take full advantage of advanced 3D.. Often used to insulate cables and electrical and mechanical properties C. starch protein. Above choices, the branched chain polymer is created using different types of monomers, is...

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