JEE Advanced 2022 Paper 2 Online

MCQ (More than One Correct Answer)

-2

Among the following, the correct statement(s) about polymers is(are)

The polymerization of chloroprene gives natural rubber.

Teflon is prepared from tetrafluoroethene by heating it with persulphate catalyst at high pressures.

PVC are thermoplastic polymers.

Ethene at 350-570 K temperature and 1000-2000 atm pressure in the presence of a peroxide initiator yields high density polythene.

JEE Advanced 2019 Paper 2 Offline

MCQ (More than One Correct Answer)

-1

Choose the correct option(s) from the following.

Teflon is prepared by heating tetrafluoroethene in presence of a persulphate catalyst at high pressure.

Natural rubber is polyisoprene containing trans alkene units

Cellulose has only $$\alpha $$-D-glucose units that are joined by glycosidic linkages

Nylon-6 has amide linkages

JEE Advanced 2015 Paper 2 Offline

MCQ (More than One Correct Answer)

-2

Under hydrolytic conditions, the compounds used for preparation of linear polymer and for chain termination, respectively, are

CH₃SiCl₃ and Si(CH₃)₄.

(CH₃)₂SiCl₂ and (CH₃)₃SiCl.

(CH₃)₂SiCl₂ and CH₃SiCl₃.

SiCl₄ and (CH₃)₃SiCl.

JEE Advanced Subjects