JEE Chemistry Polymers MCQs Set 14

Download JEE MCQs for JEE Chemistry: Polymers

Access targeted multiple-choice questions for Polymers designed to align with the latest JEE academic syllabus for JEE Chemistry. These objective practice sets help students evaluate their conceptual understanding and improve exam readiness.

Chapter-wise Objective Questions: Polymers

View or download the dedicated Polymers MCQ resource below. Practicing these 50 objective questions regularly builds familiarity with standard exam patterns and helps secure higher marks in final Chemistry evaluations.

Multiple Choice Questions

Question 1: Which of the following is not a correct match?
(a) Orlon : acrylonitrile
(b) Nylon-6,6 : hexamethylenediamine and adipic acid
(c) Dacron : ethylene glycol and terephthalic acid
(d) Caprolactam : nylon-6,10
Show Answer & Explanation

Answer: (d) Caprolactam : nylon-6,10

Explanation:
1. Caprolactam is the monomer of nylon-6, not nylon-6,10.
2. Nylon-6,10 is made from hexamethylenediamine and sebacic acid.
3. Answer: (d)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 2: Buna-S is a polymer of:
(a) Butadiene only
(b) Buta-1,3-diene and styrene
(c) Styrene only
(d) Butadiene and acrylonitrile
Show Answer & Explanation

Answer: (b) Buta-1,3-diene and styrene

Explanation:
1. Buna-S is a copolymer: Bu (butadiene), na (sodium catalyst), S (styrene).
2. Butadiene with acrylonitrile gives Buna-N.
3. Answer: (b)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 3: Which one of the following is not a polyamide? (a) Nylon-6,6 (b) Nylon-6,10 (c) Glyptal (d) Dacron
(a) a and b
(b) c and d
(c) a and c
(d) a, b and d
Show Answer & Explanation

Answer: (b) c and d

Explanation:
1. Nylon-6,6 and nylon-6,10 contain amide linkages, so they are polyamides.
2. Glyptal and Dacron are polyesters.
3. Answer: (b)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 4: Which of the following structures represents neoprene?
(a) –[CH(C6H5)–CH2]n–
(b) –[CH2–C(Cl)=CH–CH2]n–
(c) –[CH2–CH(CN)]n–
(d) –[CH2–C(CH3)=CH–CH2]n–
Show Answer & Explanation

Answer: (b) –[CH2–C(Cl)=CH–CH2]n–

Explanation:
1. Neoprene is the polymer of chloroprene, 2-chlorobuta-1,3-diene.
2. Its repeating unit is therefore CH2–C(Cl)=CH–CH2.
3. The first is polystyrene, the third polyacrylonitrile and the fourth natural rubber.
4. Answer: (b)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 5: Which of the following pairs does not show a correct relationship?
(a) Isoprene : natural rubber
(b) Nylon : polyamide
(c) Nylon-6 : adipic acid
(d) Ziegler-Natta catalyst : TiCl4 + (C2H5)3Al
Show Answer & Explanation

Answer: (c) Nylon-6 : adipic acid

Explanation:
1. Nylon-6 is made from caprolactam.
2. Adipic acid is used, with hexamethylenediamine, for nylon-6,6.
3. Answer: (c)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 6: Which of the following is an incorrect match?
(a) Nylon-6 : caprolactam
(b) Buna-N : elastomer
(c) Alitame : artificial sweetener
(d) Tranquilliser : ranitidine
Show Answer & Explanation

Answer: (d) Tranquilliser : ranitidine

Explanation:
1. Ranitidine is an antacid (an H2-receptor antagonist), not a tranquilliser.
2. The other three matches are correct.
3. Answer: (d)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 7: Which of the following is not correctly matched?
(a) Nylon-6 : polyamide
(b) Buna-S : copolymer
(c) Bakelite : thermoplastic
(d) Polythene : addition polymer
Show Answer & Explanation

Answer: (c) Bakelite : thermoplastic

Explanation:
1. Bakelite is a cross-linked thermosetting polymer, because once moulded it cannot be softened again.
2. Answer: (c)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 8: Natural rubber is also called:
(a) cis-1,4-polyisoprene
(b) trans-1,4-polyisoprene
(c) cis-1,4-neoprene
(d) trans-1,4-neoprene
Show Answer & Explanation

Answer: (a) cis-1,4-polyisoprene

Explanation:
1. Natural rubber is a polymer of isoprene (2-methylbuta-1,3-diene) with all double bonds in cis configuration.
2. The trans form is gutta-percha.
3. Answer: (a)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 9: Buna-N is a copolymer of:
(a) 1,3-Butadiene and vinyl chloride
(b) 1,3-Butadiene and acrylonitrile
(c) Chloroprene and vinyl chloride
(d) Chloroprene and acrylonitrile
Show Answer & Explanation

Answer: (b) 1,3-Butadiene and acrylonitrile

Explanation:
1. Buna-N (nitrile rubber) is formed from buta-1,3-diene and acrylonitrile (CH2=CH–CN).
2. Answer: (b)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 10: PHBV is a copolymer of:
(a) 3-Hydroxybutanoic acid and 3-hydroxypentanoic acid
(b) 2-Hydroxybutanoic acid and 2-hydroxypentanoic acid
(c) 4-Hydroxybutanoic acid and 4-hydroxypentanoic acid
(d) 3-Hydroxybutanoic acid and 2-hydroxypentanoic acid
Show Answer & Explanation

Answer: (a) 3-Hydroxybutanoic acid and 3-hydroxypentanoic acid

Explanation:
1. Poly-β-hydroxybutyrate-co-β-hydroxyvalerate is a biodegradable polyester.
2. The β position is carbon 3, so the monomers are 3-hydroxybutanoic and 3-hydroxypentanoic acids.
3. Answer: (a)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 11: Which of the following is formed by condensation polymerisation?
(a) Styrene
(b) Nylon-6,6
(c) Teflon
(d) Natural rubber
Show Answer & Explanation

Answer: (b) Nylon-6,6

Explanation:
1. Nylon-6,6 forms from hexamethylenediamine and adipic acid with loss of water.
2. Teflon (polytetrafluoroethylene) is an addition polymer, and polystyrene is too.
3. Answer: (b)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Question 12: Novolac is:
(a) A linear condensation product of phenol and formaldehyde
(b) A cross-linked condensation product of urea and formaldehyde
(c) A cross-linked condensation product of phenol and formaldehyde
(d) A linear condensation product of urea and formaldehyde
Show Answer & Explanation

Answer: (a) A linear condensation product of phenol and formaldehyde

Explanation:
1. Phenol with less than one equivalent of HCHO under acidic conditions gives the linear polymer novolac.
2. Heating it with more HCHO cross-links it into Bakelite.
3. Answer: (a)

Teacher's Note:
1. Link each biomolecule with its structure and characteristic reaction; most questions here are direct recall of these links.

Free study material for Chemistry

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Download Multiple Choice Questions: Polymers (JEE Chemistry)

Review structured objective questions for JEE Chemistry Polymers. Built according to official JEE guidelines, these MCQ sets support daily revision and core concept reinforcement.

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FAQs

Where can I access latest JEE Chemistry Polymers MCQs Set 14?

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Are Assertion-Reasoning and Case-Study MCQs included in the Chemistry JEE material?

Yes, our JEE Chemistry Polymers MCQs Set 14 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the JEE paper is now competency-based.

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