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1
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Terylene polymer is obtained by condensation of :

A
Ethane-1,2-diol and Benzene-1,3 dicarboxylic acid
B
Propane-1, 2-diol and Benzene-1, 4 dicarboxylic acid
C
Ethane-1,2-diol and Benzene-1, 4 dicarboxylic acid
D
Ethane-1,2-diol and Benzene-1, 2 dicarboxylic acid
2
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List - I with List - II.

List - I
(Polymer)		 List - II
(Monomer)
(A) Neoprene (I) Acrylonitrile
(B) Teflon (II) Chloroprene
(C) Acrilan (III) Tetrafluoroethene
(D) Natural rubber (IV) Isoprene

Choose the correct answer from the options given below :

A
$$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{III}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})$$
B
$$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{III}),(\mathrm{D})-(\mathrm{IV})$$
C
$$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-(\mathrm{III})$$
D
$$(\mathrm{A})-(\mathrm{I}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{III}),(\mathrm{D})-(\mathrm{IV})$$
3
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II.

List I

Polymers		 List II

Commercial names
(A) Phenol-formaldehyde resin (I) Glyptal
(B) Copolymer of 1,3-butadiene and sterene (II) Novolac
(C) Polyester of glycol and phthalic acid (III) Buna-S
(D) Polyester of glycol and terephthalic acid (IV) Dacron

Choose the correct answer from the options given below:

A
A-II, B-III, C-IV, D-I
B
A-II, B-III, C-I, D-IV
C
A-II, B-I, C-III, D-IV
D
A-III, B-II, C-IV, D-I
4
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Vulcanization of rubber is carried out by heating a mixture of

A
isoprene and styrene
B
neoprene and sulphur
C
isoprene and sulphur
D
neoprene and styrene
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