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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

How Do You Explain the Functionality of a Monomer? - Chemistry

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प्रश्न

How do you explain the functionality of a monomer?

उत्तर

The functionality of a monomer is the number of binding sites that is/are present in that monomer.

For example, the functionality of monomers such as ethene and propene is one and that of 1, 3-butadiene and adipic acid is two.

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अध्याय 15: Polymers - Exercises [पृष्ठ ४३७]

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एनसीईआरटी Chemistry [English] Class 12
अध्याय 15 Polymers
Exercises | Q 4 | पृष्ठ ४३७

संबंधित प्रश्न

Write the names and structures of the monomers of the following polymers: Buna-N


Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polythene.


Distinguish between the terms homopolymer and copolymer and give an example of each.


Define the term polymerisation.


Is (-NH - CHR - CO-)n a homopolymer or copolymer?


Write the names and structures of the monomers of the following polymers: Buna-S


Write the names and structures of the monomers of the following polymers: Dacron 

 


Shyam went to a grocery shop to purchase some food items. The shopkeeper packed all the items in polythene bags and gave them to Shyam. But Shyam refused to accept the polythene bags and asked the shopkeeper to pack the items in paper bags. He informed the shopkeeper about the heavy penalty imposed by the government for using polythene bags. The shopkeeper promised that he would use paper bags in future in place of polythene bags.

1) Write the values (at least two) shown by Shyam.

2) Write one structural difference between low-density polyethene and high-density polyethene.

3) Why did Shyam refuse to accept the items in polythene bags?

4) What is a biodegradable polymer? Give an example.

 


Which of the following polymers are condensation polymers?

(i) Bakelite

(ii) Teflon

(iii) Butyl rubber

(iv) Melamine formaldehyde resin


In addition polymer monomer used is


High density polyethylene (HDPE) can be prepared from ethylene by


A condensation polymer among the following polymers is:


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