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प्रश्न
Write the mechanism of free radical polymerization of ethene.
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उत्तर
Free radical mechanism for polymerisation of ethene
Chain-initiating step
Chain-propagating step
Chain-terminating step
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संबंधित प्रश्न
Which of the following is a natural polymer ? Buna-S, Proteins, PVC
Write chemical reaction to prepare the Dextron polymer:
Dextron
Which of the following statements is not true about low-density polythene?
Out of chain growth polymerisation and step growth polymerisation, in which type will you place the following.
What is the role of benzoyl peroxide in addition polymerisation of alkenes? Explain its mode of action with the help of an example.
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 the preferred mode of polymerisation followed by their monomers.
| Column I | Column II |
| (i) Nylon-6,6 | (a) Free radical polymerisation |
| (ii) PVC | (b) Ziegler-Natta polymerisation or coordination polymerisation |
| (iii) HDP | (c) Anionic polymerisation |
| (d) Condensation polymerisation |
Which of the following is chain-growth polymer?
Which one of the following polymers is prepared by addition polymerisation?
Which of the following statements about low density polythene is false?
