Question 1: Palette 1/7

JEE Advanced 2022 MSQ

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

A

The polymerization of chloroprene gives natural rubber.

B

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

C

PVC are thermoplastic polymers.

D

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

Question 2: Palette 2/7

JEE Advanced 2019 MSQ

Choose the correct option(s) from the following.

A

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

B

Natural rubber is polyisoprene containing trans alkene units

C

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

D

Nylon-6 has amide linkages

Question 3: Palette 3/7

JEE Advanced 2016 MCQ

On complete hydrogenation, natural rubber produces

A

ethylene-propylene copolymer.

B

vulcanized rubber.

C

polypropylene.

D

polybutylene.

Question 4: Palette 4/7

JEE Advanced 2015 MCQ

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

A

CH₃SiCl₃ and Si(CH₃)₄.

B

(CH₃)₂SiCl₂ and (CH₃)₃SiCl.

C

(CH₃)₂SiCl₂ and CH₃SiCl₃.

D

SiCl₄ and (CH₃)₃SiCl.

Question 5: Palette 5/7

JEE Advanced 2011 MSQ

The correct functional group X and the reagent/reaction condition Y in the following scheme are

A

X = COOCH₃, Y = H₂/Ni/heat

B

X = CONH₂, Y = H₂/Ni/heat

C

X = CONH₂, Y = Br₂/NaOH

D

X = CN, Y = H₂/Ni/heat

Question 6: Palette 6/7

JEE Advanced 2009 MCQ

Among cellulose, poly(vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is

A

Nylon

B

Poly(vinyl chloride)

C

Cellulose

D

Natural Rubber

Question 7: Palette 7/7

JEE Advanced 2007 MCQ

Match the chemical substances in Column I with type of polymers/type of bonds in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 $\times$ 4 matrix given in the ORS.

	Column I		Column II
(A)	cellulose	(P)	natural polymer
(B)	nylon-6, 6	(Q)	synthetic polymer
(C)	protein	(R)	amide linkage
(D)	sucrose	(S)	glycoside linkage

A

A - (p, s); B - (q); C - (p, r); D - (s)

B

A - (p, s); B - (q, r); C - (r); D - (s)

C

A - (p, s); B - (q, r); C - (p, r); D - (s)

D

A - (s); B - (q, r); C - (p, r); D - (s)