Polymers — JEE Main PYQs

Polymer used in orlon is:

Buna-S can be represented as:

The polymer X - consists of linear molecules and is closely packed. It is prepared in the presence of triethylaluminium and titanium tetrachloride under low pressure. The polymer X is -

Given below are two statements :

Statements I : Ethene at 333 to 343 K and 6-7 atm pressure in the presence of ${\mathrm{AlEt}}_3$ and ${\mathrm{TiCl}}_4$ undergoes addition polymerization to give LDP.

Statement II : Caprolactam at 533-543 K in ${\mathrm{H}}_2\mathrm{O}$ throu …

Match List I with List II

LIST I (Examples) | LIST II (Type)
A. 2-Chloro-1,3-butadiene | I. Biodegradable polymer
B. Nylon 2-nylon 6 | II. Synthetic Rubber
C. Polyacrylonitrile | III. Polyester
D. Dacron | IV. Addition Polymer

Choose the correct answer from the options given be …

Match List I with List II:

List I-(Monomer)
(A) Tetrafluoroethylene
(B) Acrylonitrile
(C) Caprolactam
(D) Isoprene

List II-(Polymer)
(i) Orlon
(ii) Natural rubber
(iii) Teflon
(IV) Nylon-6

Choose the correct answer from the options given below:

Match List I with List II

Choose the correct answer fro …

Caprolactam when heated at high temperature in presence of water, gives

Match List I with List II:
List-I: A. Elastomeric polymer B. Fibre Polymer C. Thermosetting Polymer D. Thermoplastic Polymer
List-II: I. Urea formaldehyde resin II. Polystyrene III. Polyester IV. Neoprene
Choose the correct answer from the options given below:

Which of the following is NOT a natural polymer?

Terylene polymer is obtained by condensation of:

Melamine polymer is formed by the condensation of:

Vulcanization of rubber is carried out by heating a mixture of :

Match List-I with List-II.

List-I (Polymer)
(A) Neoprene
(B) Teflon
(C) Acrilan
(D) Natural rubber

List-II (Monomer)
(I) Acrylonitrile
(II) Chloroprene
(III) Tetrafluoroethene
(IV) Isoprene

Choose the correct answer from the option given below:

Given below are two statements, one is Assertion (A) and other is Reason (R).

Assertion (A) : Natural rubber is a linear polymer of isoprene called cis-polyisoprene with elastic properties.
Reason (R) : The cis-polyisoprene molecules consist of various chains held together by st …

Which is true about Buna-N?

Which one of the following is NOT a copolymer?

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Dacron is an example of polyester polymer.

Reason R: Dacron is made up of ethylene glycol and terephthalic acid monomers.

In the light of the above statements, c …

The polymer, which can be stretched and retains its original status on releasing the force is

$({\mathrm{C}}_7{\mathrm{H}}_5{\mathrm{O}}_2{)}_2\stackrel{\mathrm{h}\nu }{\to }[\mathrm{X}]+2{\dot{\mathrm{C}}}_6{\mathrm{H}}_5+2{\mathrm{CO}}_2$

Consider the above reaction and identify the intermediate ' X '

Which of the following sets are correct regarding polymer ?
(A) Copolymer : Buna-S
(B) Condensation polymer : Nylon-6,6
(C) Fibre : Nylon-6,6
(D) Thermosetting polymer : Terylene
(E) Homopolymer : Buna-N

Choose the correct answer from given options below:

Match List-I with List-II

List-I (Polymer)
(A) Bakelite
(B) Glyptal
(C) PVC
(D) Polystyrene

List-II (Used in)
(I) Radio and television Cabinets
(II) Electrical switches
(III) Paints and Lacquers
(IV) Water pipes

Choose the correct answer from the options given below:

Which of the following is an example of polyester?

Which of the following is not an example of a condensation polymer?

The Novolac polymer has mass of 963 g. The number of monomer units present in it are ______.

Match List I with List II.

List I (Monomer Unit):
(a) Caprolactum
(b) 2-Chloro-1,3-butadiene
(c) Isoprene
(d) Acrylonitrile

List II (Polymer):
(i) Natural rubber
(ii) Buna- N
(iii) Nylon 6
(iv) Neoprene

Choose the correct answer from the options given below :

The polymer formed on heating Novolac with formaldehyde is :

Orlon fibres are made up of:

In polymer Buna - S: 'S' stands for:

Bakelite is a cross- linked polymer of formaldehyde and :

Which statement is correct?

Match List - I with List - II:

List - I
(a) Chloroprene
(b) Neoprene
(c) Acrylonitrile
(d) Isoprene

List - II
(i) (see structure)
(ii) (see structure)
(iii) (see structure)
(iv) ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{CN}$

Choose the correct answer from the options given below:

The structure of Neoprene is :

Which among the following is not a polyester ?

Monomer of Novolac is :

is a repeating unit for

A biodegradable polyamide can be made from:

Monomer units of Dacron polymer are:

Which of the following polymer is used in the manufacture of wood laminates?

Preparation of Bakelite proceeds via reactions:

Which polymer has 'chiral' monomer(s)?

Which one of the following polymers is not obtained by condensation polymerisation?

The correct match between Item-I and Item-II is:

Item-I
(a) Natural rubber
(b) Neoprene
(c) Buna-N
(d) Buna-S

Item-II
(I) 1, 3-butadiene + styrene
(II) 1, 3-butadiene + acrylonitrile
(III) Chloroprene
(IV) Isoprene

Consider the Assertion and Reason given below.

Assertion (A): Ethene polymerized in the presence of Ziegler Natta Catalyst at high temperature and pressure is used to make buckets and dustbins.
Reason (R): High density polymers are closely packed and are chemically inert. Choose …

The structure of Nylon - 6 is:

The homopolymer formed from 4 - hydroxybutanoic acid is:

Which of the following is a thermosetting polymer?

The correct match between Item-I and Item-II is:
| (c) | Novolac | (III) | Ziegler-Natta Catalys …

The polymer obtained from the following reactions is:
(see reaction scheme)

Poly - $\beta$-hydroxybutyrate-co- $\beta$-hydroxyvalerate(PHBV) is a copolymer of ____