Advertisements
Advertisements
Question
Out of chain growth polymerisation and step growth polymerisation, in which type will you place the following.
Solution
It is an example of chain growth polymerisation, since in this polymerisation only addition occurs.
APPEARS IN
RELATED QUESTIONS
Which of the following is a natural polymer ? Buna-S, Proteins, PVC
Write chemical reaction to prepare the Dextron polymer:
Dextron
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 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.
Assertion: Polytetrafluoroethene is used in making non-stick cookwares.
Reason: Fluorine has highest electronegativity.
Low density polythene and high density polythene, both are polymers of ethene but there is marked difference in their properties. Explain.
Which of the following is chain-growth polymer?
\[\ce{X + C + Cl2 ->[High temperature][of about 1000 K] Y + CO}\];
\[\ce{Y + 2H2O -> Z + 2HCl}\]
Compound Y is found in polymeric chain structure and is an electron-deficient Molecule. Y must be:
Which of the following statements about low density polythene is false?