Class 12 Chemistry Chapter 15 Polymers MCQs | Class 12 Chemistry Chapter 15 Polymers Multiple Choice Questions (MCQs) with Answers

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Questions
1 Which of the following is a condensation polymer?
A Teflon
B PVC
C Polyester
D Neoprene

Answer:Polyester
2 Which of the following polymers does not involve cross-linkages?
A Vulcanised rubber
B Bakelite
C Melamine
D Teflon

Answer: Teflon
3 Composition of Ziegler-Natta catalyst is
A (Et3)3Al.TiCl2
B (Me)3Al.TiCl2
C (Et)3Al.TiCl4
D (Et)3Al.PtCl4

Answer:(Et)3Al.TiCl4
4 Which of the following is not an example of addition polymer?
A Polythene
B Polystyrene
C Neoprene
D Nylon 6,6

Answer:Nylon 6,6
5 Teflon and neoprene are the examples of
A copolymers
B monomers
C homopolymers
D condensation polymers

Answer: homopolymers
6 Which of the following sets contains only addition polymers?
A Polyethylene, polypropylene, terylene
B Polyethylene, PVC, acrilan
C Buna-S, nylon, polybutadiene
D Bakelite, PVC, polyethylene

Answer: Polyethylene, PVC, acrilan
7 Which among the following is a cross-linked polymer?
A Polyesters
B Glycogens
C Melamine-formaldehyde
D Polyvinyl chloride

Answer: Melamine-formaldehyde
8 Synthetic polymer prepared by using caprolactam is known as
A terylene
B teflon
C nylon 6
D neoprene

Answer:nylon 6
9 Polymer which has amide linkage is
A nylon-6, 6
B terylene
C teflon
D bakelite

Answer:nylon-6, 6
10 Which of the following is not an example of rubber?
A Polychloroprene
B Buna-N
C Butadiene-styrene copolymer
D Polyacrylonitrile

Answer: Polyacrylonitrile
11 Which of the following polymers does not have vinylic monomer units?
A Acrilan
B Nylon
C Polystyrene
D Neoprene

Answer: Nylon
12 cis-Polyisoprene possesses elastic property because
A It is soft and soluble in non-polar solvent
B It is unsaturated and porous
C It has a coiled structure and chains held together by weak van der waals forces
D It has fibrous structure and reactive sites at various double bonds

Answer: It has a coiled structure and chains held together by weak van der waals forces
13 The monomers used in addition polymerisation through free radical should be very pure because
A the traces of impurities act like inhibitors resulting in short chain polymers
B the impurities result in formation of different products
C the polymer formed is impure
D catalyst does not function in presence of impurities

Answer: the traces of impurities act like inhibitors resulting in short chain polymers
14 Natural rubber has
A All trans-configuration
B Alternate cis - and trans-configuration
C Random cis - and trans-configuration
D All cis-configuration

Answer: All cis-configuration
15 Biodegradable polymer which can be produced from glycine and aminocaproic acid is
A nylon 2-nylon 6
B PHBV
C buna-N
D nylon-6, 6

Answer: nylon 2-nylon 6
16 Caprolactam is used for the manufacture of
A nylon-6
B tetion
C terylene
D nylon-6 6

Answer:nylon-6
17 Which of the following organic compounds polymerizes to form the polyester dacron?
A Propylene and para HO — (C6H4)—OH
B Benzoic acid and ethanol
C Terephthalic acid and ethylene glycol
D Benzoic acid and para HO — (C6H4)—OH

Answer: Terephthalic acid and ethylene glycol
18 Which of these is not a monomer for a high molecular mass silicone polymer?
A MeSiCl3
B Me2SiCl2
C Me3SiCl
D PhSiCl3

Answer:Me3SiCl
19 Which of the following statements is false?
A Artificial silk is derived from cellulose
B Nylon-66 is an example of elastomer
C The repeat unit in natural rubber is isoprene
D Both starch and cellulose are polymers of glucose

Answer: Nylon-66 is an example of elastomer
20 The straight chain polymers formed by:
A hydrolysis of (CH3)3SiCl followed by condensation polymerisation
B hydrolysis of CH3SiCl3 followed by condensation polymerisation
C hydrolysis of (CH3)4Si by addition polymerisation
D hydrolysis of (CH3)2SiCl2 followed by condensation polymerisation

Answer: hydrolysis of (CH3)2SiCl2 followed by condensation polymerisation

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