Arrange the following Polymers in increasing order of inter molecular forces Nylon 6, Neoprene and PVC

Arrange the following Polymers in increasing order of inter molecular forces Nylon 6, Neoprene and PVC
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Ans : Nylon 6, PVC and. Neop 
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Arrange the following Polymers in increasing order of inter molecular forces. (a) Nylon 66, Buna-S and Polythene (b) Nylon 6, Neoprene and PVC

Description : Arrange the following Polymers in increasing order of inter molecular forces. (a) Nylon 66, Buna-S and Polythene (b) Nylon 6, Neoprene and PVC

Last Answer : Ans: (a) Buna-S, Polythene and Nylon 66.  (b) Neoprene, PVC and Nylon 6.

Arrange the following polymer in increasing order of their molecular forces : (a) nylon-6, 6, Buna-S, polythene. (b) nylon-6, Neoprene, polyvinyl chloride.

Description : Arrange the following polymer in increasing order of their molecular forces : (a) nylon-6, 6, Buna-S, polythene. (b) nylon-6, Neoprene, polyvinyl chloride.

Last Answer : Ans. (a) Buna S < Polythene < Nylon-6, 6. (b) Neoprene < Polyvinyl Chloride < Nylon-6.

Arrange in increasing order of inter molecular forces. Nylon 66, Buna-S and polyethene.

Description : Arrange in increasing order of inter molecular forces. Nylon 66, Buna-S and polyethene.

Last Answer : Ans: Nylon 66 > polyethene> Buna-S 

Classify the polymers as addition and condensation polymer— Nylon 6, Neoprene and PVC.

Description : Classify the polymers as addition and condensation polymer— Nylon 6, Neoprene and PVC.

Last Answer : Ans: Nylon 6 —Condensation polymer  Neoprene and PVC— Addition polymer.

Classification of polymers on the basis of molecular forces.

Description : Classification of polymers on the basis of molecular forces.

Last Answer : (a) Elastomers:- The polymers that have elastic character like rubber are called elastomers. Ex. Natural rubber  (b) Fibers:- They have strong intermolecular forces between the chains. These forces ... permanent change on heating. They become hard and infusible on heating. Ex. Bakelite. Etc.

Clasify the polymers as addition and condenstation polymers. Nylon 66, Buna-S, Polythene.

Description : Clasify the polymers as addition and condenstation polymers. Nylon 66, Buna-S, Polythene.

Last Answer : Ans: Nylon 66 condensation polymer.  Buna-S and polythene—Addition polymer.

Which colligative property is used to determine the molecular masses of the polymers ?

Description : Which colligative property is used to determine the molecular masses of the polymers ?

Last Answer : Ans. Osmotic pressure is the colligative property used to determine the molecular masses of polymer.

Write the name of neoprene polymer?

Description : Write the name of neoprene polymer? 

Last Answer : Ans: Chloroprene 

Write the monomer of Neoprene?

Description : Write the monomer of Neoprene?

Last Answer : Ans: Chloroprene. 

What is Neoprene? Mention any two uses.

Description : What is Neoprene? Mention any two uses.

Last Answer : Ans: A synthetic rubber made by chloroprene. It is a synthetic rubbers. Uses: Conveyor belts in coal mines & gaskets.

Why is Neoprene rubber non –inflammable ?

Description : Why is Neoprene rubber non –inflammable ?

Last Answer : A. Due to presence of chloro group . 

What is Neoprene rubber?

Description : What is Neoprene rubber? 

Last Answer : A.2-Chlorobut -1,3-diene 

Why are the numbers 6, 6 and 6 put in the name of Nylon 66 and Nylon 6?

Description : Why are the numbers 6, 6 and 6 put in the name of Nylon 66 and Nylon 6?

Last Answer : Ans: Nylon 66 means that it is formed by two monomers each containing six carbon atoms. While in Nylon 6 means that it is formed by a monomer containing six carbon atoms.

What are monomers of Nylon 6.6

Description : What are monomers of Nylon 6.6

Last Answer : Ans: (a) Hexamethylene diamine and adaipic acid. 

Why are the No. of 6, 6 and 6 put in the names of nylon-6, 6 and nylon-6 ?

Description : Why are the No. of 6, 6 and 6 put in the names of nylon-6, 6 and nylon-6 ?

Last Answer : Ans. The no. of 6, 6 in nylon-6, 6 implies that both the monomers of nylon-6, 6 namely hexamethylene diamine and adipic acid contain six carbon atom each. The no. of 6 in nylon-6 contains six ... . The no. of 6 in nylon-6 indicates that its monomer Caprolectum has six carbon atom in its molecule.

what is the monomer of nylon-6?

Description : what is the monomer of nylon-6?

Last Answer : A. Caprolactum [NH2-(CH2)5-COOH]. 

Distinguish between thermoplastic and thermo setting polymers.

Description : Distinguish between thermoplastic and thermo setting polymers.

Last Answer : Thermo plastic polymer Thermo setting plastic  1. The inter moliculer forces are intermediate.  1. The inter molecular force are ... 3. Eg. Polythene and polystyrene  3. Eg. Bakelite

Classification of polymers on the basis of mode of synthesis.

Description : Classification of polymers on the basis of mode of synthesis.

Last Answer : (a) Addition polymers:- A polymers formed by direct addition of repeated monomers without the elimination of by product molecule is called addition polymers. Ex. Polythene, PVC,PTFE, etc  (b) ... monomer generally contains two functional groups. Ex. Nylon 66 and Nylon 6, Bakelite, Daecron, etc.

Classification of polymers on the basis of structure

Description : Classification of polymers on the basis of structure 

Last Answer : (a) Linear polymer :- These are polymers in which monomeric units are linked together to form linear chains. Eg. Polythene, PVC, Teflon  (b) Cross linked polymers:- These are polymers in which ... polymers in which monomers are joined to form long chains with side chains. Ex. Low density polythene.

Write an equation for the Chemistry involved when a drop of hydrochloric acid make a hole in nylon stockings.

Description : Write an equation for the Chemistry involved when a drop of hydrochloric acid make a hole in nylon stockings.

Last Answer : Ans. The (— CO — NH —) amide bond in nylon gets hydrolysed. 

why nylon is named as such?

Description : why nylon is named as such?

Last Answer : A.It is Acroname of New-York and London. 

Which of the following polymers contain nitrogen (a) PVC (b) Teflon (c) Nylon (d) Terylene

Description : Which of the following polymers contain nitrogen (a) PVC (b) Teflon (c) Nylon (d) Terylene

Last Answer : Nylon

Which of the following polymers has the tendency of decomposing before melting? (A) Polystyrene (B) Nylon (C) PVC (D) None of these

Description : Which of the following polymers has the tendency of decomposing before melting? (A) Polystyrene (B) Nylon (C) PVC (D) None of these

Last Answer : (C) PVC

Explain the effect of increasing the temperature of a liquid, on intermolecular forces operating between its particles. What will happen to the viscosity of a liquid if its temperature is increased? Arrange the following in increasing order of viscosity-water, hexane, glycerine.

Description : Explain the effect of increasing the temperature of a liquid, on intermolecular forces operating between its particles. What will happen to the viscosity of a liquid if its temperature is increased? Arrange the following in increasing order of viscosity-water, hexane, glycerine.

Last Answer : Ans. On increasing the temperature , the kinetic energy of liquid molecules increases so that it can overcome the attractive forces between the molecules and hence liquid can flow more easily i.e. viscosity decreases. Order of increasing viscosity : hexane < water < glycerine.

why is it called 6,6?

Description : why is it called 6,6?

Last Answer : As the monomers contain six carbon each i.e. Hexamethylene- di - amine[ NH2-(CH2)6- NH2] and Adipic acid [HOOC-(CH2)4-COOH.

Which of the following types of polymers has the strongest inter particle forces? (A) Elastomers (B) Fibres (C) Thermoplastics (D) Thermosetting polymers

Description : Which of the following types of polymers has the strongest inter particle forces? (A) Elastomers (B) Fibres (C) Thermoplastics (D) Thermosetting polymers

Last Answer : (D) Thermosetting polymers

The inter particle forces between linear chains in nylon-66 are __________ bonds. (A) Hydrogen (B) Covalent (C) Ionic (D) None of these

Description : The inter particle forces between linear chains in nylon-66 are __________ bonds. (A) Hydrogen (B) Covalent (C) Ionic (D) None of these

Last Answer : (A) Hydrogen

What is PHBV? Give its one use.

Description : What is PHBV? Give its one use.

Last Answer : Ans: It is a poly β hydroxybutyrate—co β hydroxyl valerate . It is obtain by the copolirisation of 3— hydroxyl butanoic acid and 3— hydroxy pentanoic acid.It is used in speciality packaging , orthopaedic devices. 

Who do double bonds in rubber molecules influence there structure and reactivity.

Description : Who do double bonds in rubber molecules influence there structure and reactivity.

Last Answer : Ans: Greater the number of double bound the rubber will be less reactive because of greater inter molecular forces of attraction among the monomers.

What is Biodegradble polymer?

Description : What is Biodegradble polymer?

Last Answer : Ans: The polymers which are Biodegrable and not causes any environmental population is called Biodegrable . Eg. PHBV and Nylon 2 Nylon 6.

Write the structure of monomer of polystyrene.

Description : Write the structure of monomer of polystyrene.

Last Answer : Ans: Styrene. Ar— CH=CH2 

Name the monomer of polyvinylchloride.

Description : Name the monomer of polyvinylchloride.

Last Answer : Ans: Vinylcloride. 

A polymer is used for making paints and lacquers, name it.

Description : A polymer is used for making paints and lacquers, name it. 

Last Answer : Ans: Glyptal. 

A polymer is use for making combs, name the polymer.

Description : A polymer is use for making combs, name the polymer.

Last Answer : Ans : Baklite 

What are carbon fiber?

Description : What are carbon fiber? 

Last Answer : Ans: A long thread solid posses high tensile strength. Eg. Terrylen and Nylon

Write the name of reagent use for initating a free radical chain reaction.

Description : Write the name of reagent use for initating a free radical chain reaction. 

Last Answer : Ans: Tertiary Butyle peroxaide. 

What does stand for PDI

Description : What does stand for PDI

Last Answer : Ans: Polydispersity Index. 

Explain the difference between Buna-N and Buna-S.

Description : Explain the difference between Buna-N and Buna-S.

Last Answer : Ans: Buna-N:- 1. It is optained by the copolymerization of 1,3 - butadiene and acrylonitrile in the presence of a Peroxide Cxtalyst. 2. It is resistant to action of Petrol. 3. It is used ... 1. It is obtained by the Copolymerisation of buta diene and styrene. 2. It is used for automobile tyres.

What is PHBV ?

Description : What is PHBV ?

Last Answer : Ans: It is a poly hydroxyl butyrate. Co-β- hydroxyl Valerate. It is copolymer of 3- hydroxyl butanoic acid and 3- hydroxyl pentanoic acid in which monomer units linked by ester linkage.

Distinguish between Homopolymers and Copolymers.

Description : Distinguish between Homopolymers and Copolymers.

Last Answer : Homopolymers Copolymers 1. The polymers which are form by only one type of monomers Eg. Teflon & PVC 1. The polymers which are form by two or more types of monomers .Eg. Terrylene & Buna-S

Differntiate between addition polymer and condensation polymer.

Description : Differntiate between addition polymer and condensation polymer. 

Last Answer : Addition Polymer  Condensation Polymer 1. Large no. of unsaturated monomers combine together to form polymers Eg. Polythene and ... group with release of small molecule like water combine to form polymers. Eg. Nylon and Teflon

What is meant by PTEE ? Give its popular name.

Description : What is meant by PTEE ? Give its popular name.

Last Answer : Ans: Polytetra fluoroethylene. Teflon. 

Why should one always use purest monomer in free radical polymerization?

Description : Why should one always use purest monomer in free radical polymerization?

Last Answer : Ans: The impurities present in monomer may combine with free radical that slow the rate of polymerization.

Define Copolymers?

Description : Define Copolymers?

Last Answer : Ans: The polymer is obtained by two or more different monomers.

Write the polymer of Tetrafluoro ethane.

Description : Write the polymer of Tetrafluoro ethane.

Last Answer : Ans: Teflon. 

What is the monomer of Polyacrylonitrile?

Description : What is the monomer of Polyacrylonitrile?

Last Answer : Ans: Acrylonitrile 

Write the name of monomers of Melamine-Formaldehyde.

Description : Write the name of monomers of Melamine-Formaldehyde.

Last Answer : Ans: Melamine and Formaldehyde. 

Write the structure of monomer of Polystyrene?

Description : Write the structure of monomer of Polystyrene? 

Last Answer : Ans: Ar CH = CH2 

Write the monomer of Polystyrene?

Description : Write the monomer of Polystyrene? 

Last Answer : Ans: Styrene. 

Explain the difference between Buna-N and Buna-S.

Description : Explain the difference between Buna-N and Buna-S.

Last Answer : Ans: Buna-N:- 1. It is obtained by the copolymerization of 1,3 - butadiene and acrylonitrile in the presence of a Peroxide Catalyst. 2. It is resistant to action of Petrol. 3. It is used ... 1. It is obtained by the Copolymerisation of buta diene and styrene. 2. It is used for automobile tyres.