Advertisements
Advertisements
Question
Write the mechanism of free radical polymerization of ethene.
Advertisements
Solution
Free radical mechanism for polymerisation of ethene
Chain-initiating step

Chain-propagating step

Chain-terminating step

APPEARS IN
RELATED QUESTIONS
Which of the following statements is not true about low-density polythene?
Why should the monomers used in addition polymerisation through free radical pathway be very pure?
Match the polymer of column I with correct monomer of column II.
| Column I | Column II |
| (i) High density polythene | (a) Isoprene |
| (ii) Neoprene | (b) Tetrafluoroethene |
| (iii) Natural rubber | (c) Chloroprene |
| (iv) Teflon | (d) Acrylonitrile |
| (v) Acrilan | (e) Ethene |
Match the polymers given in Column I with their chemical names given in Column II.
| Column I | Column II |
| (i) Nylon 6 | (a) Polyvinyl chloride |
| (ii) PVC | (b) Polyacrylonitrile |
| (iii) Acrilan | (c) Polycaprolactum |
| (iv) Natural rubber | (d) Low-density polythene |
| (v) LDP | (e) cis-polyisoprene |
Assertion: Olefinic monomers undergo addition polymerisation.
Reason: Polymerisation of vinyl chloride is initiated by peroxides/ persulphates.
By which reaction ethene is obtained from ethyne?
The Ziegler Natta catalyst are
Which of the following is chain-growth polymer?
Orlon fibres are made up of ______.
Which of the following statements about low density polythene is false?
