In the following reaction sequence, major products X and Y are acyclic monomers.
500 mol of X completely reacts with 500 mol of Y to give 1 mol of a single biodegradable acyclic copolymer Z as the only product. The amount of Z formed in grams is ____.
Given:
Atomic mass (in amu): H : 1, C : 12, N : 14, O : 16, Br : 80
Polymers — JEE Previous Year Questions
Every Polymers question asked in JEE Main and JEE Advanced across the last 186 papers — 64 questions, each with its correct answer. Free to read, no account needed.
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All 64 Polymers questions
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An organic compound P with molecular formula decolorizes bromine water and also shows positive iodoform test. P on ozonolysis followed by treatment with gives Q and R. While compound Q shows positive iodoform test, compound R does not give positive iodoform test. Q and R on oxidation with pyridinium chlorochromate (PCC) followed by heating give S and T, respectively. Both S and T show positive iodoform test.
Complete copolymerization of 500 moles of Q and 500 moles of R gives one mole of a single acyclic copolymer U.
[Given, atomic mass: H = 1, C = 12, O = 16]
The molecular weight of U is ______.
Match List I with List II:
| List I-(Monomer) | List II-(Polymer) |
|---|---|
| A.Tetrafluoroethene | I.Orlon |
| B.Acrylonitrile | II.Natural rubber |
| C.Caprolactam | III.Teflon |
| D.Isoprene | IV.Nylon-6 |
- (A)(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
- (B)(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
- (C)(A)-(IV), (B)-(I), (C)-(II), (D)-(III)
- (D)(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
Match Column-A with Column-B.
Column-A: a. Nylon 6; b. Vulcanized Rubber; c. cis-1,4-polyisoprene; d. Polychloroprene
Column-B: I. Natural Rubber; II. Cross Linked; III. Caprolactam; IV. Neoprene
Choose the correct answer from option given below:
- (A)a → IV, b → III, c → II, d → I
- (B)a → III, b → IV, c → I, d → II
- (C)a → II, b → III, c → I, d → IV
- (D)a → III, b → II, c → I, d → IV
Match List I with List II (Polymers). Choose the correct answer from the options given below:
| List I | List II |
|---|---|
| A.Weak intermolecular forces of attraction | I.Hexamethylenediamine + adipic acid |
| B.Hydrogen bonding | II. |
| C.Heavily branched polymer | III.2-chloro-1,3-butadiene |
| D.High density polymer | IV.Phenol + formaldehyde |
- (A)A-III, B-I, C-I, D-III
- (B)A-III, B-I, C-IV, D-II
- (C)A-IV, B-I, C-III, D-II
- (D)A-IV, B-II, C-III, D-I
Match List I (polymer) with List II (class). Choose the correct answer from the options given below:
| List I (Examples) | List II (Examples) |
|---|---|
| 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 |
- (A)A-IV, B-I, C-III, D-II
- (B)A-II, B-III, C-I, D-IV
- (C)A-II, B-I, C-IV, D-III
- (D)A-IV, B-I, C-IV, D-III
Given below are two statements:
Statement I: Ethene at 333 to 343 K and 6-7 atm pressure in the presence of and undergoes addition polymerization to give LDP.
Statement II: Caprolactam at 533-543 K in through step growth polymerizes to give Nylon 6.
In the light of the above statements, choose the correct answer from the options given below:
- (A)Both Statement I and Statement II are true
- (B)Statement I is false but Statement II is true
- (C)Statement I is true but Statement II is false
- (D)Both Statement I and Statement II are false
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
- (A)Polyacrylonitrile
- (B)Low density polythene
- (C)Polytetrafluoroethane
- (D)High density polythene
Match List I (Polymer) with List II (Type/Class). Choose the correct answer from the options given below:
| List I (Polymer) | List II (Type/Class) |
|---|---|
| A.Nylon-2-Nylon-6 | I.Thermosetting Polymer |
| B.Buna-N | II.Biodegradable Polymer |
| C.Urea-formaldehyde resin | III.Synthetic rubber |
| D.Dacron | IV.Polyester |
- (A)(A)-(IV), (B)-(I), (C)-(III), (D)-(II)
- (B)(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
- (C)(A)-(II), (B)-(IV), (C)-(IV), (D)-(III)
- (D)(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
Buna-S can be represented as:
- (A)(1)
- (B)(2)
- (C)(3)
- (D)(4)
Polymer used in orlon is:
- (A)Polyacrylonitrile
- (B)Polyethene
- (C)Polycarbonate
- (D)Polyamide
Caprolactam when heated at high temperature in presence of water, gives
- (A)Nylon 6, 6
- (B)Nylon 6
- (C)Teflon
- (D)Dacron
Match List I with List II.
Choose the correct answer from the options given below:
| List I | List II |
|---|---|
| A.Elastomeric polymer | I.Urea formaldehyde resin |
| B.Fibre Polymer | II.Polystyrene |
| C.Thermosetting Polymer | III.Polyester |
| D.Thermoplastic Polymer | IV.Neoprene |
- (A)A-II, B-III, C-I, D-IV
- (B)A-IV, B-III, C-I, D-II
- (C)A-IV, B-I, C-III, D-II
- (D)A-II, B-I, C-IV, D-III
Match List I (Name of polymer) with List II (Uses) and choose the correct answer from the options given below.
| LIST I (Name of polymer) | LIST II (Uses) |
|---|---|
| A.Glyptal | I.Flexible pipes |
| B.Neoprene | II.Synthetic wool |
| C.Acrilan | III.Paints and Lacquers |
| D.LDP | IV.Gaskets |
- (A)A-III, B-IV, C-I, D-II
- (B)A-III, B-II, C-IV, D-I
- (C)A-III, B-I, C-IV, D-II
- (D)A-III, B-IV, C-II, D-I
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.
Which of the following is NOT a natural polymer?
- (A)Protein
- (B)Starch
- (C)Rubber
- (D)Rayon
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
Match List I with List II
List II (Nature)
I. Thermosetting polymer
II. Fibers
III. Elastomer
IV. Thermoplastic polymer
Choose the correct answer from the options given below:
- (A)A-II, B-III, C-IV, D-I
- (B)A-III, B-II, C-IV, D-I
- (C)A-III, B-I, C-IV, D-II
- (D)A-I. B-III, C-IV, D-II
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:
- (A)(A)-(II), (B)-(III), (C)-(I), (D-(IV)
- (B)(A)-(II), (B)-(I), (C)-(III), (D-(IV)
- (C)(A)-(II), (B)-(I), (C)-(IV), (D-(III)
- (D)(A)-(I), (B)-( II), (C)-(III), (D-(IV)
Match List I with List II
Choose the correct answer from the options given below:
| List I (Polymers) | List II (Commenrcial names) |
|---|---|
| A.Phenol-formaldehyde resin | I.Glyptal |
| B.Copolymer of 1,3-butadiene and styrene | II.Novolac |
| C.Polyester of glycol and phthalic acid | III.Buna-S |
| D.Polyester of glycol and terephthalic acid | IV.Dacron |
- (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
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
Melamine polymer is formed by the condensation of :
- (A)(A)
- (B)(B)
- (C)(C)
- (D)(D)
The polymer, which can be stretched and retains its original status on releasing the force is
- (A)Bakelite
- (B)Nylon 6,6
- (C)Buna-N
- (D)Terylene
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, choose the most appropriate answer from the options given below.
- (A)Both A and B are correct and R is the correct explanation of A.
- (B)Both A and B are correct but R is NOT the correct explanation of A.
- (C)A is correct but R is not correct.
- (D)A is not correct but R is correct.
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 strong polar interactions with coiled structure.
In the light of the above statements, choose the correct one from the options given below :
- (A)Both (A) and (R) are true and (R) is the correct explanation of (A)
- (B)Both (A) and (R) are true but (R) is not the correct explanation of (A).
- (C)(A) is true but (R) is false.
- (D)(A) is false but (R) is true.
Which one of the following is NOT a copolymer ?
- (A)Buna-S
- (B)Neoprene
- (C)PHBV
- (D)Butadiene-styrene
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:
- (A)(A) – (II), (B) – (III), (C) – (IV), (D) – (I)
- (B)(A) – (I), (B) – (II), (C) – (III), (D) – (IV)
- (C)(A) – (IV), (B) – (III), (C) – (II), (D) – (I)
- (D)(A) – (II), (B) – (III), (C) – (I), (D) – (IV)
Which is true about Buna-N?
- (A)It is a linear polymer of 1, 3-butadiene.
- (B)It is obtained by copolymerization of 1, 3-butadiene and styrene.
- (C)It is obtained by copolymerization of 1, 3-butadiene and acrylonitrile.
- (D)The suffix N in Buna-N stands for its natural occurrence
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:
- (A)(A), (B) and (C) are correct
- (B)(B), (C) and (D) are correct
- (C)(A), (C) and (E) are correct
- (D)(A), (B) and (D) are correct
Which of the following is an example of polyester?
- (A)Butadiene-styrene copolymer
- (B)Melamine polymer
- (C)Neoprene
- (D)Poly--hydroxybutyrate-co--hydroxy valerate
Which of the following is not an example of a condensation polymer?
- (A)Nylon 6,6
- (B)Decron
- (C)Buna-N
- (D)Silicone
Monomer units of Dacron polymer are :
- (A)ethylene glycol and phthalic acid
- (B)ethylene glycol and terephthalic acid
- (C)glycerol and terephthalic acid
- (D)glycerol and phthalic acid
Monomer of Novolac is :
- (A)3-Hydroxybutanoic acid
- (B)phenol and melamine
- (C)o-Hydroxymethylphenol
- (D)1,3-Butadiene and styrene
Which among the following is not a polyester ?
- (A)Novolac
- (B)PHBV
- (C)Dacron
- (D)Glyptal
The polymer formed on heating Novolac with formaldehyde is :
- (A)Bakelite
- (B)Polyester
- (C)Melamine
- (D)Nylon 6,6
is a repeating unit for
- (A)Neoprene
- (B)Novolac
- (C)Buna-N
- (D)Acrilan
A biodegradable polyamide can be made from:
- (A)Glycine and aminocaproic acid
- (B)Hexamethylene diamine and adipic acid
- (C)Glycine and isoprene
- (D)Styrene and caproic acid
Match List − I with List − II :
Choose the correct answer from the options given below :
| List-I | List-II |
|---|---|
| a.Chloroprene | i.(drawn structure — see figure) |
| b.Neoprene | ii.(drawn structure — see figure) |
| c.Acrylonitrile | iii.(drawn structure — see figure) |
| d.Isoprene | iv. = CH - CN |
- (A)(a) − (iii), (b) − (i), (c) − (iv), (d) − (ii)
- (B)(a) − (iii), (b) − (iv), (c) − (ii), (d) − (i)
- (C)(a) − (ii), (b) − (i), (c) − (iv), (d) − (iii)
- (D)(a) − (ii), (b) − (iii), (c) − (iv), (d) − (i)
Bakelite is a cross- linked polymer of formaldehyde and :
- (A)PHBV
- (B)Buna – S
- (C)Novolac
- (D)Dacron
Orlon fibres are made up of:
- (A)Polyamide
- (B)Polyacrylonitrile
- (C)Cellulose
- (D)Polyesters
Which of the following polymer is used in the manufacture of wood laminates ?
- (A)cis-poly isoprene
- (B)Melamine formaldehyde resin
- (C)Urea formaldehyde resin
- (D)Phenol and formaldehyde resin
The structure of Neoprene is :
- (A)(A)
- (B)(B)
- (C)(C)
- (D)(D)
Which statement is correct?
- (A)Buna-S is a synthetic and linear thermosetting polymer
- (B)Neoprene is addition copolymer used in plastic bucket manufacturing
- (C)Synthesis of Buna-S needs nascent oxygen
- (D)Buna-N is a natural polymer
In polymer Buna-S ; 'S' stands for :
- (A)Styrene
- (B)Sulphur
- (C)Strength
- (D)Sulphonation
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 :
- (A)(a) (iii), (b) (iv), (c) (i), (d) (ii)
- (B)(a) (i), (b) (ii), (c) (iii), (d) (iv)
- (C)(a) (ii), (b) (i), (c) (iv), (d) (iii)
- (D)(a) (iv), (b) (iii), (c) (ii), (d) (i)
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 correct answer from the following:
- (A)(A) is correct but (R) is wrong
- (B)Both (A) and (R) are correct but (R) is not the correct explanation of (A)
- (C)Both (A) and (R) are correct and (R) is the correct explanation of (A)
- (D)(A) and (R) both are wrong.
The correct match between Item-I and Item-II is:
| Item-I | Item-II |
|---|---|
| a.Natural rubber | I.1, 3-butadiene + styrene |
| b.Neoprene | II.1, 3-butadiene + acrylonitrile |
| c.Buna-N | III.Chloroprene |
| d.Buna-S | IV.Isoprene |
- (A)(a) − (III), (b) − (IV), (c) − (I), (d) − (II)
- (B)(a) − (III), (b) − (IV), (c) − (II), (d) − (I)
- (C)(a) − (IV), (b) − (III), (c) − (II), (d) − (I)
- (D)(a) − (IV), (b) − (III), (c) − (I), (d) − (II)
Which one of the following polymers is not obtained by condensation polymerisation?
- (A)Buna – N
- (B)Nylon 6
- (C)Nylon 6, 6
- (D)Bakelite
Which polymer has 'chiral' monomer(s)?
- (A)Nylon 6, 6
- (B)Neoprene
- (C)PHBV
- (D)Buna-N
Preparation of Bakelite proceeds via reactions:
- (A)Electrophilic substitution and dehydration
- (B)Condensation and elimination
- (C)Electrophilic addition and dehydration
- (D)Nucleophilic addition and dehydration
Choose the correct option(s) from the following:
- (A)Cellulose has only -D-glucose units that are joined by glycosidic linkages
- (B)Teflon is prepared by heating tetrafluoroethene in presence of a persulphate catalyst at high pressure
- (C)Natural rubber is polyisoprene containing \textit{trans} alkene units
- (D)Nylon-6 has amide linkages
The correct name of the following polymer is:
- (A)Polyisoprene
- (B)Polytert-butylene
- (C)Polyisobutane
- (D)Polyisobutylene
Which of the following is a thermosetting polymer?
- (A)PVC
- (B)Bakelite
- (C)Buna-N
- (D)Nylon 6
Which of the following is a condensation polymer?
- (A)Nylon 6, 6
- (B)Neoprene
- (C)Buna–S
- (D)Teflon
The correct match between Item-I and Item-II is:
| Item-I | Item-II |
|---|---|
| (a).High density polythene | (I).Peroxide catalyst |
| (b).Polyacrylonitrile | (II).Condensation at high temperature & pressure |
| (c).Novolac | (III).Ziegler-Natta Catalyst |
| (d).Nylon 6 | (IV).Acid or base catalyst |
- (A)(a) → (III), (b)→(I), (c)→(II), (d)→(IV)
- (B)(a)→(IV), (b)→(II), (c)→(I), (d)→(III)
- (C)(a)→(II), (b)→(IV), (c)→(I), (d)→(III)
- (D)(a)→(III), (b)→(I), (c)→(IV), (d)→(II)
Which of the following compounds is a constituent of the polymer?
- (A)Formaldehyde
- (B)Ammonia
- (C)Methylamine
- (D)N – methyl urea
The structure of Nylon \u2013 6 is:
- (A)(A)
- (B)(B)
- (C)(C)
- (D)(D)
Poly - \u03b2-hydroxybutyrate-co-\u03b2-hydroxyvalerate(PHBV) is a copolymer of ________
- (A)3-hydroxybutanoic acid and 4-hydroxypentanoic acid
- (B)2-hydroxybutanoic acid and 3-hydroxypentanoic acid
- (C)3-hydroxybutanoic acid and 2-hydroxypentanoic acid
- (D)3-hydroxy butanoic acid and 3-hydroxypentanoic acid
The two monomers for the synthesis of Nylon 6, 6 are :
- (A)HOOC(CH2)4COOH, H2N(CH2)6NH2
- (B)HOOC(CH2)6COOH, H2N(CH2)6NH2
- (C)HOOC(CH2)4COOH, H2N(CH2)4NH2
- (D)HOOC(CH2)6COOH, H2N(CH2)4NH2
The homopolymer formed from 4 hydroxybutanoic acid is:
- (A)(A)
- (B)(B)
- (C)(C)
- (D)(D)
The polymer obtained from the following reactions is:
- (A)(A)
- (B)(B)
- (C)(C)
- (D)(D)
Major product of the following reaction is
- (A)(A)
- (B)(B)
- (C)(C)
- (D)(D)
On complete hydrogenation, natural rubber produces
- (A)ethylene-propylene copolymer
- (B)vulcanised rubber
- (C)polypropylene
- (D)polybutylene
Under hydrolytic conditions, the compounds used for preparation of linear polymer and for chain termination, respectively, are
- (A) and
- (B) and
- (C) and
- (D) and
Polymers — frequently asked
How many questions from Polymers appear in JEE?
Polymers has appeared in 64 of the last 186 JEE Main and JEE Advanced papers — about 34% of them — contributing 64 questions in total across those papers.
Is Polymers an important chapter for JEE?
Judged by how often it is actually tested, it appears in roughly 34% of papers. Chapters above about 50% are effectively guaranteed to show up every session, so they repay thorough preparation; lower-frequency chapters are better treated as targeted revision.
Where do these Polymers questions come from?
Every question is from an official JEE Main or JEE Advanced paper, transcribed from the original paper and tagged to this chapter. Answers follow the official answer key.
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