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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.
How does the presence of double bonds in rubber molecules influence their structure and reactivity?
Identify the monomer in the following polymeric structures.
Write names and chemical formulae of monomers used in preparing Buna-N.
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 : _________
Match materials given in Column I with the polymers given in Column II.
| Column I | Column II |
| (i) Natural rubber latex | (a) Nylon |
| (ii) Wood laminates | (b) Neoprene |
| (iii) Ropes and fibres | (c) Dacron |
| (iv) Polyester fabric | (d) Melamine formaldehyde resins |
| (v) Synthetic rubber | (e) Urea-formaldehyde resins |
| (vi) Unbreakable crockery | (f) cis-polyisoprene |
The polymer of natural rubber is:-
Ebonite is:-
Which of the following is correct regarding the drawbacks of raw rubber.
Which of the following statement is CORRECT regarding the drawbacks of raw rubber?
In vulcanization of 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:
Which amongst the following molecules on polymerization produces neoprene?
