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JEE • CHEMISTRY • POLYMERS

Polymers practice · Mixed difficulty

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Practice format and chapter quiz

These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.

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Showing 1-30 of 100 questions

1 Medium

1 of 100

Remembering +4 | -1

Terylene is a condensation polymer of ethylene glycol and

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Correct option: D

terephthalic acid

Option D (terephthalic acid) is correct because terylene (Dacron) is a condensation polymer formed from ethylene glycol and terephthalic acid.

2 Easy

2 of 100

Remembering +4 | -1

Low density polythene is prepared by

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Correct option: A

Free radical polymerization

Option A (Free radical polymerization) is correct because low-density polythene (LDPE) is typically produced via free radical polymerization of ethene at high pressures and temperatures.

3 Easy

3 of 100

Remembering +4 | -1

Which of the following is not a fibre?

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Correct option: D

Polychloroprene

Option D (Polychloroprene) is correct because Polychloroprene is a synthetic rubber (Neoprene), not a fiber, while Terylene, Nylons, and Polyacrylonitrile are synthetic fibers.

4 Easy

4 of 100

Remembering +4 | -1

Nylon-6 is

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Correct option: D

Perlon

Option D is correct because Nylon-6 is also known as Perlon, a polyamide formed by the ring-opening polymerization of caprolactam.

5 Easy

5 of 100

Remembering +4 | -1

Melamine plastic crockery is a codensation polymer of

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Correct option: A

\mathrm{HCHO}

and melamine

Option A (

\mathrm{HCHO}

and melamine) is correct because melamine plastic crockery is formed through the condensation polymerization of formaldehyde (

\mathrm{HCHO}

) and melamine.

6 Medium

6 of 100

Understanding +4 | -1

In which of the following polymers, empirical formula resembles with monomer?

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Correct option: B

Teflon

Option B (Teflon) is correct because Teflon is a homopolymer formed by addition polymerization, where the empirical formula of the polymer is the same as the monomer.

7 Medium

7 of 100

Remembering +4 | -1

Whether small molecules liberate in addition
polymerisation?

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Correct option: B

Option B (No) is correct because addition polymerization involves the direct joining of monomers without the elimination of any small molecules.

8 Easy

8 of 100

Remembering +4 | -1

By the addition of 3% to 10% sulphur in rubber

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Correct option: B

Hard rubber is obtained

Option B (Hard rubber is obtained) is correct because the addition of sulphur to rubber causes cross-linking, making it harder.

9 Medium

9 of 100

Remembering +4 | -1

Which of the following polymers of glucose is stored by animals?

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Correct option: D

Glycogen

Option D (Glycogen) is correct because glycogen is the storage form of glucose in animals, found in the liver, brain, and muscles.

10 Medium

10 of 100

Remembering +4 | -1

Which of the following is a polymer containing nitrogen?

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Correct option: A

Polyvinyl chloride

Option C (Nylon) is correct because Nylon is a polyamide, containing nitrogen atoms in its repeating units.

11 Easy

11 of 100

Remembering +4 | -1

Natural rubber has:

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Correct option: B

All cis - configuration

Option B (All cis - configuration) is correct because natural rubber is a polymer of isoprene with all isoprene units in the cis configuration.

12 Medium

12 of 100

Understanding +4 | -1

Polymer formation from monomers starts by

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Correct option: A

Condesation reaction between monomers

Option A (Condensation reaction between monomers) is correct because polymerization often involves the elimination of a small molecule like water, which is a condensation reaction.

13 Easy

13 of 100

Remembering +4 | -1

Which of the following is not a natural polymer?

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Correct option: D

Polybutadiene

Option D (Polybutadiene) is correct because polybutadiene is a synthetic polymer made from the polymerization of butadiene, while the others are naturally occurring.

14 Easy

14 of 100

Remembering +4 | -1

Which of the following is biodegradable polymer?

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Correct option: C

PHBV

Option C (PHBV) is correct because PHBV (Polyhydroxybutyrate-co-hydroxyvalerate) is a biodegradable polymer.

15 Easy

15 of 100

Understanding +4 | -1

A homopolymer is obtained by polymerization of:

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Correct option: A

One type of monomer units

The correct answer is A (One type of monomer units) because a homopolymer is defined as a polymer made from only one type of monomer.

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16 Easy

16 of 100

Remembering +4 | -1

Which of the following is used in vulcanization of rubber?

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Correct option: A

\mathrm{S}{\mathrm{F}_6}

Option A (

\mathrm{S}{\mathrm{F}_6}

) is correct because sulfur is used in the vulcanization of rubber, and

SF_6

contains sulfur.

17 Medium

17 of 100

Remembering +4 | -1

The monomer of neoprene is

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Correct option: D

{\text{C}}{{\text{H}}_{\text{2}}}{\text{ = }}\mathop {\text{C}}\limits_{\begin{array}{cccccccccccccccccccc} {\text{|}} \\ {{\text{Cl}}} \end{array}} {\text{ - CH = C}}{{\text{H}}_{\text{2}}}

Option D (

{\text{C}}{{\text{H}}_{\text{2}}}{\text{ = }}\mathop {\text{C}}\limits_{\begin{array}{cccccccccccccccccccc} {\text{|}} \\ {{\text{Cl}}} \end{array}} {\text{ - CH = C}}{{\text{H}}_{\text{2}}}

) is correct because chloroprene is the monomer of neoprene.

18 Medium

18 of 100

Remembering +4 | -1

Polymer which has amide linkage is

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Correct option: A

Nylon-6,6

Option A (Nylon-6,6) is correct because Nylon-6,6 is a polymer that contains amide linkages.

19 Easy

19 of 100

Remembering +4 | -1

The biodegradable polymer is:

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Correct option: B

Nylon – 2 – Nylon 6

Option B (Nylon – 2 – Nylon 6) is correct because it is a biodegradable polyamide.

20 Easy

20 of 100

Remembering +4 | -1

Wash and wear clothes are manufactured using

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Correct option: C

Terylene fibres

Option C (Terylene fibres) is correct because terylene fibers are crease-resistant, durable, and have low moisture content, making them suitable for wash and wear clothes.

21 Easy

21 of 100

Remembering +4 | -1

Copolymer is:

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Correct option: B

Nylon-6,6

Option B (Nylon-6,6) is correct because Nylon-6,6 is formed by the copolymerization of two different monomers, adipic acid and hexamethylenediamine.

22 Easy

22 of 100

Remembering +4 | -1

One of the constituents in the preparation of Thiokol is

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Correct option: A

1,2- dichloroethane

Option A (1,2- dichloroethane) is correct because Thiokol is a polymer made from 1,2-dichloroethane and sodium polysulfide.

23 Easy

23 of 100

Remembering +4 | -1

Which of the following is a biodegradable polymer?

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Correct option: A

Cellulose

Option A (Cellulose) is correct because cellulose is a natural polymer that can be broken down by microorganisms, making it biodegradable.

24 Easy

24 of 100

Remembering +4 | -1

A copolymer of vinyl chloride and vinyl acetate is called:

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Correct option: A

Vinylon

Option A (Vinylon) is correct because Vinylon is a copolymer made from vinyl chloride and vinyl acetate monomers.

25 Easy

25 of 100

Understanding +4 | -1

Nylon-6,6 is not a :

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Correct option: D

Homopolymer

Option D (Homopolymer) is correct because Nylon-6,6 is a copolymer formed from two different monomers, not a single repeating unit.

26 Easy

26 of 100

Understanding +4 | -1

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

\mathrm{X}

View answer and explanation

Correct option: A

High density polythene

Option A (High density polythene) is correct because Ziegler-Natta catalysts (triethylaluminium and titanium tetrachloride) are used to produce high-density polyethylene.

27 Easy

27 of 100

Remembering +4 | -1

The monomer units of silicons a water repellant, acid resistant and heat resistant polymer is:

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Correct option: C

{R_2}\mathrm{SiO}

Option C (

{R_2}\mathrm{SiO}

) is correct because the monomer unit of silicones is dialkylsiloxane, represented as R2SiO.

28 Easy

28 of 100

Remembering +4 | -1

Which of the given polymers is a natural polymer

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Correct option: C

Starch

Option C (Starch) is correct because starch is a naturally occurring polysaccharide produced by plants.

29 Medium

29 of 100

Remembering +4 | -1

Biodegradable polymer among the following is

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Correct option: B

Nylon – 2, Nylon – 6

Option B is correct because Nylon-2-Nylon-6 is a biodegradable copolymer made from glycine and amino caproic acid, which can be broken down by microorganisms.

30 Easy

30 of 100

Remembering +4 | -1

Acetate rayon is prepared from:

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Correct option: D

Cellulose

Option D (Cellulose) is correct because acetate rayon is a cellulose acetate, which is derived from cellulose.

Revision notes and key takeaways

Review POLYMERS in your textbook or class notes, then use this set to check your understanding.

Key Takeaways

✓ This set contains 100 single-correct-answer MCQs on POLYMERS.
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