Class 12 Chemistry
Polymers
Q.1
Explain the terms polymer and monomer.
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Q.1
Explain the terms polymer and monomer.
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Q.2
What are natural and synthetic polymers? Give two examples of each type?
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Q.2
What are natural and synthetic polymers? Give two examples of each type?
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Q.3
Distinguish between the terms homopolymer and copolymer and give an
example of each.
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Q.3
Distinguish between the terms homopolymer and copolymer and give an example of each.
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Q.4
How do you explain the functionality of a monomer?
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Q.4
How do you explain the functionality of a monomer?
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Q.5
Define the term polymerisation.
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Q.5
Define the term polymerisation.
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Q.6
Is (NH-CHR-CO) n, a homopolymer or copolymer?
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Q.6
Is (NH-CHR-CO) n, a homopolymer or copolymer?
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Q.7
In which classes, the polymers are classified on the basis of molecular forces?
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Q.7
In which classes, the polymers are classified on the basis of molecular forces?
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Q.8
How can you differentiate between addition and condensation polymerisation?
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Q.8
How can you differentiate between addition and condensation polymerisation?
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Q.9
Explain the term copolymerisation and give two examples?
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Q.9
Explain the term copolymerisation and give two examples?
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Q.10
Write the free radical mechanism for the polymerisation of ethene.
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Q.10
Write the free radical mechanism for the polymerisation of ethene.
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Q.11
Define thermoplastics and thermosetting polymers with two examples of each?
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Q.11
Define thermoplastics and thermosetting polymers with two examples of each?
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Q.12
Write the monomers used for getting the following polymers.
(i) Polyvinyl chloride
(ii) Teflon
(iii) Bakelite
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Q.12
Write the monomers used for getting the following polymers.
(i) Polyvinyl chloride
(ii) Teflon
(iii) Bakelite
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Q.13
Write the name and structure of one of the common initiators used in free
radical addition polymerisation?
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Q.13
Write the name and structure of one of the common initiators used in free
radical addition polymerisation?
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Q.14
How does the presence of double bonds in rubber molecules influence their
structure and reactivity?
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Q.14
How does the presence of double bonds in rubber molecules influence their
structure and reactivity?
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Q.15
Discuss the main purpose of vulcanisation of rubber?
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Q.15
Discuss the main purpose of vulcanisation of rubber?
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Q.16
What are the monomeric repeating units of Nylon-6 and Nylon-6, 6?
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Q.16
What are the monomeric repeating units of Nylon-6 and Nylon-6, 6?
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Q.17
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Q.17
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Q.18
Identify the monomer in the following polymeric structures.
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Q.18
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Identify the monomer in the following polymeric structures. |
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Q.19
How is dacron obtained from ethylene glycol and terephthalic acid?
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Q.19
How is dacron obtained from ethylene glycol and terephthalic acid?
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Q.20
What is a biodegradable polymer? Give an example of biodegradable aliphatic
polyester?
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Q.20
What is a biodegradable polymer? Give an example of biodegradable aliphatic
polyester?
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