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JEE Advanced

Explore popular questions from Polymers for JEE Advanced. This collection covers Polymers previous year JEE Advanced questions hand picked by experienced teachers.

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Mathematics

Physics

Chemistry

Polymers

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Q 1. Among cellulose, poly(vinyl choride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is

A

Nylon

B

Poly (vinyl chloride)

C

Cellulose

Natural rubber

Explanation

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Q 2.

Which of the following is an addition polymer?

A

Nylon-6

B

Dacron

High-density polythene

D

Nylon-6, 6

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Q 3.

Nylon-6 is prepared from:

A

Adipic acid and hexamethylenediamine

Caprolactum

C

Urea and formaldehyde

D

None of these

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Q 4.

Which of the following is coated as a thin layer on the inner side of non-stick pans?

A

Bakelite

B

PVC

Teflon

D

Polypropylene

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Q 5.

Which of the following can be remelted time and again without producing any change?

A

Thermosetting polymers

Thermoplastic polymers

C

Bakelite

D

Melamine

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Q 6.

The monomer of the polymer

A

B

C

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Q 7.

All terpenes have carbon skeletons made up of:

Isoprene units

B

Vinyl units

C

Alkenes

D

Ethylene units

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Q 8.

The monomer unit of silicon, a water repellant, acid resistant, and heat resistant, polymer, is:

A

B

D

None of these

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Q 9.

Which of the following is an example of copolymer?

Buna-S

B

PAN

C

Polythene

D

PTFE

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Q 10.

If are the number of molecules with molecular masses respectively, then mass average molar is expressed as:

B

C

D

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Q 11.

Which of the following is a biodegradable polymer?

Cellulose

B

Nylon-6

C

Polyvinyl chloride

D

Polythene

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Q 12.

The commercial name of polymethyl (methacrylate) is:

A

Lucite

B

Plexiglas

C

Perspex

All the above

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Q 13.

Bakelite is:

A

Chain-growth polymer

Step-growth polymer

C

Both (a) and (b)

D

Elastomer

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Q 14.

GuttaPercha is:

A

-Polyisoprene

B

Non-elastic and softens to a plastic-like material on heating

C

Used in underwater cables and golf balls

All the above

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Q 15.

Which of the following is the biodegradable polymer of polyamide class?

A

Nylon-6, 6

Nylon-2-nylon-6

C

Dextran

D

PHBV

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Q 16.

Isoprene, , is the repeating unit in:

A

Vitamin A

B

Terpenes

C

Rubber (natural)

All the above

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Q 17.

Mass-average molecular mass of a polymer is determined by:

Light scattering and ultracentrifuge method

B

Osmotic pressure

C

Depression of freezing point

D

Elevation in boiling point

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Q 18.

Identify (X):

B

C

D

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Q 19.

Which of the following is used in paints?

A

Terylene

B

Chloroprene

Glyptal

D

Nylon

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Q 20.

Molecular weights of macromolecules are determined by:

A

Elevation of boiling point

B

Depression in freezing point

Osmotic pressure

D

None of these

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Q 21.

Polymer used in bullet-proof glass is:

A

Nomex

Lexan

C

PMMA

D

Kevlar

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Q 22.

Which of the following is not correctly matched?

A

B

D

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Q 23.

Terylene (Dacron) is the polyester of:

A

Hexamethylenediamineandadipic acid

B

Vinyl chloride and formaldehyde

C

Melamine and formaldehyde

Ethylene glycol and terephthalic acid

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Q 24.

Which polymer is generally used in carry bags?

A

Polyester

B

Bakelite

Polyethylene

D

Alkyd resin

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Q 25.

Which of the following is a chain-growth polymer?

A

Nucleic acid

B

Starch

Polystyrene

D

Proteins