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Chemistry
Among the following, the correct statement(s) about polymers is(are)
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Q. Among the following, the correct statement(s) about polymers is(are)
JEE Advanced
JEE Advanced 2022
A
The polymerization of chloroprene gives natural rubber.
75%
B
Teflon is prepared from tetrafluoroethene by heating it with persulphate catalyst at high pressures.
69%
C
PVC are thermoplastic polymers.
100%
D
Ethene at 350-570 K temperature and 1000-2000 atm pressure in the presence of a peroxide initiator yields high density polythene.
38%
Solution:
(a) The polymerisation of neoprene gives natural rubber.
(b) is correct statement
(c) is correct statement
(d) Ethene at $350-570 \,K$ temperature and $1000-2000$ atm pressure in the pressure of a peroxide initiator yields low density polythene.