JEE Advanced 2022Paper 2
- Exam
- JEE Advanced
- Year
- 2022
- Paper
- Paper 2
- Subject
- Chemistry
- Chapter
- Polymers
JEE Advanced 2022 · Paper 2 · Chemistry · Polymers
Among the following, the correct statement(s) about polymers is(are)
Among the following, the correct statement(s) about polymers is(are)
Options
- AThe polymerization of chloroprene gives natural rubber.
- BTeflon is prepared from tetrafluoroethene by heating it with persulphate catalyst at high pressures.
- CPVC are thermoplastic polymers.
- DEthene at temperature and atm pressure in the presence of a peroxide initiator yields high density polythene.
Correct answer
B. Teflon is prepared from tetrafluoroethene by heating it with persulphate catalyst at high pressures.
Step-by-step solution
(A) Polymerization of chloroprene gives synthetic rubber
(B) Teflon is manufactured by heating tetrafluoroethene with a free radical or persulphate catalyst at hight pressure.
(C) Polyvinyl chloride (PVC) is a thermoplastic polymer and used in making hand bags, vinyl flooring and water pipes.
(D) Ethene at temperature and pressure in the presence of a peroxide initiator yields low density polythene.