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प्रश्न
Identify the polymer given below:
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उत्तर
The cis-polyisoprene molecule consists of various chains held together by weak van der Waals interactions and has a coiled structure. Thus, it can be stretched like a spring and exhibits elastic properties.
Nautral rubber
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संबंधित प्रश्न
What is natural rubber?
(A) Cis-1,4-polyisoprene
(B) Neoprene
(C) Trans-1,4-polyisoprene
(D) Butyl rubber
Write names and chemical formulae of monomers used in preparing Buna-S.
What is the role of sulphur in the vulcanisation of rubber?
How does the presence of double bonds in rubber molecules influence their structure and reactivity?
Discuss the main purpose of vulcanisation of rubber.
Write names and chemical formulae of monomers used in preparing Buna-N.
Write the formulae of the raw materials used for preparation of Buna-S
Write the structure of the monomer used in the following polymer:
Buna-S
Complete the following statement by selecting the correct alternative from the choices given:
Natural rubber is a : _________
What is the role of Sulphur in the vulcanization of rubber?
Vulcanisation makes rubber:
(i) more elastic
(ii) soluble in inorganic solvent
(iii) crystalline
(iv) more stiff
Which one of the following monomers gives the polymer neoprene on polymerization?
Ebonite is:-
Which of the following statement is CORRECT regarding the drawbacks of raw rubber?
Match List I with List II.
| List I | List II |
| (Monomer Unit) | (Polymer) |
| (a) Caprolactum | (i) Natural rubber |
| (b) 2-Chloro-1, 3-butadiene | (ii) Buna-N |
| (c) Isoprene | (iii) Nylon-6 |
| (d) Acrylonitrile | (iv) Neoprene |
Choose the correct answer from the options given below:
