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Chapters
1: Solid State
2: Solutions
3: Electrochemistry
4: Chemical Kinetics
5: Surface Chemistry
Inorganic Chemistry
6: General Principles and Processes of Isolation of Elements
7: p-Block Elements
8: d-and ƒ-Block Elements
9: Coordination Compounds
Organic Chemistry
10: Haloalkanes and Haloarenes
Chapter 11: Alcohols, Phenols and Ethers
Chapter 12: Aldehydes, Ketones and Carboxylic Acids
Chapter 13: Organic Compounds containing Nitrogen
Chapter 14: Biomolecules
▶ 15: Polymers
Chapter 16: Chemistry in Everyday Life
![Nootan solutions for Chemistry Part 1 and 2 [English] Class 12 ISC chapter 15 - Polymers - Shaalaa.com](/images/chemistry-part-1-and-2-english-class-12-isc_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Nootan solutions for Chemistry Part 1 and 2 [English] Class 12 ISC chapter 15 - Polymers")
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Solutions for Chapter 15: Polymers
Below listed, you can find solutions for Chapter 15 of CISCE Nootan for Chemistry Part 1 and 2 [English] Class 12 ISC.
Nootan solutions for Chemistry Part 1 and 2 [English] Class 12 ISC 15 Polymers REVIEW exercises [Pages 1003 - 1013]
What do you understand by the terms-polymer?
What do you understand by the term polymerisation?
Explain the difference between the chain and the step growth polymerisation.
How is nylon-66 synthesised?
What is thermosetting?
What are thermoplastic polymers?
Write one example of a thermosetting polymer.
Give one example of thermoplastics.
Define the term thermosetting plastics.
Define the term step growth polymerisation.
Define Polymer.
Define the number average molecular masses of a polymer.
Define the weight average molecular masses of a polymer.
Name the property which is employed to determine the number average molecular mass.
Name the property which is employed to determine the weight average molecular mass.
What is the effect of structure on the properties of a polymer?
Define the following term:
Thermoplastics
Define the term thermosetting plastics.
Arrange the following polymers in the increasing order of their intermolecular forces.
Nylon-66, Buna-S, polythene
Classify Nylon-66, Buna-S, polythene as addition and condensation polymers.
Differentiate between elastomers and fibres on the basis of intermolecular forces.
Give one structural formula of elastomers.
Give one structural formula of fibres.
Comment on the main structural difference between thermoplastics and thermosetting polymers. What effect does this difference have on their properties?
Mention which of the following are addition polymers:
- Terylene
- Nylon-66
- Neoprene
- Teflon
Explain the following processe with a suitable example in the given case:
Chain-growth polymerisation
Explain the following process with a suitable example in given case:
Step-growth polymerisation.
Give one example for the following:
Thermoplastic polymer
Write one example of a Natural polymer.
Give one example for the following:
Condensation polymer
Give one example for the following:
Chain growth polymer
Write the structure and name of monomer of Natural rubber.
Write the structure of the monomer used in the following polymer:
Buna-S
What is the difference between elastomers and fibres? Illustrate with an example of each.
How are polymers classified into different categories on the basis of intermolecular forces? Give an example of a polymer of each of these categories.
How do the thermoplastic polymers differ from the thermosetting polymers in their mode of formation? Give an example of each.
In terms of its mode of formation, how is chain growth polymerisation different from step growth polymerisation? Give an example of each.
Differentiate between addition and condensation polymers based on the mode of polymerisation. Give an example of each type.
What is meant by copolymerisation?
Give an example of copolymerisation of a polymer.
Distinguish between thermoplastic and thermosetting polymer.
Distinguish between the terms homopolymer and copolymer and give an example of each.
How are polymers classified on the basis of forces operating between their molecules? To which of these classes does nylon-66 belong?
What is natural polymer? Give two examples of natural polymers.
What is synthetic polymer? Give two examples of synthetic polymers.
What are polyolefins?
What are polydienes?
What is the difference between polyacrylates and polyesters?
What is the difference between nylon-6 and nylon-66?
What is bakelite?
How is buna-S obtained?
What is a polyamide?
Write the reaction for the preparation of Nylon-6.
What are polyolefins?
What is a polyamide?
Briefly describe the following term giving one example:
Polyesters
Arrange the following polymers in the increasing order of their intermolecular forces.
Nylon-6, Neoprene, PVC
Classify Nylon-6, Neoprene, and PVC as addition and condensation polymers.
Write chemical reaction for preparation of the following.
Buna-S
Write the reaction for the preparation of Nylon-6.
What are elastomers?
Write chemical reaction for preparation of the following.
Buna-S
Explain the term copolymers with examples.
How is terylene prepared?
Explain the difference between the chain and the step growth polymerisation.
How is nylon-66 synthesised?
Write an equation for the synthesis of the following polymer:
Glyptal
Write the reactions involved in the preparation of Teflon.
Write chemical reaction for preparation of the following.
Buna-S
How is terylene prepared?
Name the polymer used for making unbreakable crockery. How is it prepared?
Write the name and structure of the following polymer:
PVC
Write the name and structure of the following polymer:
PMMA
Write the name and structure of the following polymer:
PCTFE
Write the reaction for the preparation of Nylon-6.
Write the name of the monomer of the following polymer:
Bakelite
State whether bakelite is a thermoplastic or a thermosetting plastic. Give reasons for your answer.
Write the names of monomers used for getting the following polymer:
Teflon
Write the names and structure of the monomers of the following polymers:
Nylon-6, 6
Give one use of Teflon.
Give one use of Nylon-66 polymer.
State the significance of numbers in the polymer nylon-6.
What is the significance of number of 6,6 in the polymer nylon-6,6?
Write the names and structure of the monomers of the following polymers:
Nylon-6, 6
Write the structure and name of monomer of Natural rubber.
Write the names of the monomers used for getting the following polymer:
Terylene
Write the names of monomers used for getting the following polymer:
Teflon
Write the monomers for the following:
Cellulose
Write the names of monomers used for getting the following polymer:
Neoprene
Write the monomers for the following:
Polythene
What are elastomers?
Write chemical reaction for preparation of the following.
Buna-S
How is terylene prepared?
Write chemical reaction for preparation of the following.
Neoprene
Write an equation for the synthesis of the following polymer:
Glyptal
Write the mode of free radical polymerisation of an alkene. Clearly indicate the role of an initiator in it.
Write the monomer used for the preparation of PVC.
Write the structures of monomers used for getting PMMA.
How is the following prepared?
Dacron
Write the reaction involved in the formation of:
Bakelite
How does vulcanization change the properties of natural rubber and how is it carried out?
Write the reaction involved in the formation of:
Bakelite
What is the major use of bakelite?
Why is Bakelite a thermosetting polymer?
Write the monomer used for the preparation of PVC.
Write the structure and name of the monomer of Nylon-6.
Nootan solutions for Chemistry Part 1 and 2 [English] Class 12 ISC 15 Polymers VERY SHORT ANSWER TYPE QUESTIONS [Pages 1018 - 1019]
Name the unit which undergoes repeated combination to form a polymer.
Name the process responsible for the formation of a polymer.
Name the polymers that are obtained by the repeated combination of two or more different types of monomer units.
Sort out the natural and synthetic polymers among the following:
Cellulose, polythene, rubber, starch, styron.
What is the building unit of starch?
Write the structure and name of monomer of Natural rubber.
Give two examples of inorganic polymers.
Name the monomer of a protein.
Among linear and branched chain polymers, which does possess a higher density?
What does make a network polymer very hard and rigid?
Among addition and condensation polymers, which does have the same empirical formula as of its monomer?
Sort out the chain growth and step growth polymers among the following:
Polyethylene, Polyvinylchloride, Nylon-66, Terylene.
What type of polymers do possess the weakest intermolecular forces between polymeric chains?
What type of cross-links are developed when rubber is subjected to vulcanization?
Name the polymers which consist of very strong intermolecular forces between the polymeric chains.
What type of intermolecular forces are present in fibres?
Why do thermoplastics soften on heating?
Name two thermosetting polymers.
Which polymer is used as a packing material for textiles and food?
Name the monomer of styron.
Write the names of monomers used for getting the following polymer:
Neoprene
Which polymer can be used as a substitute of glass?
Write the repeat unit of acrilan.
To which class of polymers does terylene belong?
Name the monomers of glyptal.
Write the repeat unit of nylon-6.
Write the name of the monomer of the following polymer:
Bakelite
Name the polymer used for making unbreakable crockery. How is it prepared?
Name the monomers of melamine polymer.
Nootan solutions for Chemistry Part 1 and 2 [English] Class 12 ISC 15 Polymers SHORT ANSWER TYPE QUESTIONS [Page 1019]
What are polymers?
Give some examples of polymers.
Define the following term:
Polymerisation
Give an example of polymerisation.
What are homopolymers?
What are copolymers?
Give two examples of homopolymers.
Give two examples of copolymers.
Write the formula of natural rubber.
Write the structure and name of monomer of Natural rubber.
Explain the classification of polymers on the basis of structures.
Why do branched chain polymers have lower density than that of linear polymers?
Why are cross-linked polymers very hard and rigid?
Give some examples of cross-linked polymers.
Give two points of difference between an addition and a condensation polymer.
What is addition polymerisation?
Give two examples of addition polymerisation.
What is condensation polymerisation? Illustrate with an example.
What is chain growth polymerisation and how does it take place?
Explain the following processe with a suitable example in the given case:
Chain-growth polymerisation
Explain the following process with a suitable example in given case:
Step-growth polymerisation.
What are chain growth polymers?
What are step growth polymers?
Give one example of chain growth polymer.
Give one example of step growth polymer.
What are elastomers?
What are the characteristics of elastomers?
What is vulcanization?
How does vulcanization change the properties of natural rubber and how is it carried out?
What are fibres?
Why do fibres possess a high tensile strength?
Give two examples of fibres.
What are thermoplastic polymers?
What are the important characteristics of thermoplastics?
What are plasticizers?
Give two examples of plasticizers.
What is thermosetting?
Write the characteristics of thermosetting polymers.
Give two examples of thermosetting polymers.
How is polythene synthesised?
What is the structural difference between low density and high density polythenes?
What do you understand by low density polythenes?
What do you understand by high density polythene?
Describe the important characteristics of low density polythene.
Describe the important characteristics of high density polythene.
Describe the important uses of low density polythene.
Describe the important uses of high density polythene.
Write the names and the structures of the monomers of polypropylene.
Write the name and the structure of the monomer of polystyrene.
Give the important uses of the polypropylene polymer.
Give the important uses of the polystyrene polymer.
Write chemical reaction for preparation of the following.
Neoprene
Why is neoprene preferred to natural rubber?
What are polyacrylates?
Give two examples of polyacrylates.
Give the name and structure of the monomer of PMMA.
What are the main characteristics of the PMMA polymer?
What is acrilan?
How is acrilan synthesised?
Write the important properties of acrilan polymer.
Write the important uses of acrilan polymer.
What is Teflon?
Write the reactions involved in the preparation of Teflon.
Why is Teflon used for making non-stick kitchen utensils?
Write the monomer used for the preparation of PVC.
Write uses of PVC.
Give one difference in the properties of PCTFE and PTFE.
What is the cause of the difference in the properties of PCTFE and PTFE?
How is terylene prepared?
Mention some of the important properties of the terylene.
Write any ‘two’ uses of terylene.
What is alkyd resin?
Why is alkyd resin used in the manufacture of paints and lacquers?
What is the significance of number of 6,6 in the polymer nylon-6,6?
How is nylon-66 synthesised?
Mention the important properties of nylon-66.
Mention the important uses of the nylon-66 polymer.
Write the reaction for the preparation of Nylon-6.
Solutions for 15: Polymers
Nootan solutions for Chemistry Part 1 and 2 [English] Class 12 ISC chapter 15 - Polymers
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