NEET Chemistry Chapter Wise Mock Test – Polymers

NEET Chemistry Chapter Wise Mock Test – Polymers

Question 1.
Polymer formation from monomers starts by
(a) hydrolysis of monomers
(b) conversion of monomer to monomer ions by protons
(c) condensation reaction between monomers
(d) coordination reaction between monomers

Question 2.

Question 3.
The number average molecular mass and mass average molecular mass of a polymer respectively are 30000 and 40000. The poly disperisty index of the polymer is
(a) 1
(c) 1
(d) 0

Question 4.
A sample of a high polymer consist of 10% by weight of a macromolecule of molecular weight 10000 and 90% by weight of a macromolecule with molecular weight 100000, then its weight average molecular mass will be
(a) 52000
(b) 85000
(c) 91000
(d) 89000

Question 5.
Cellulose acetate is a
(a) natural polymer
(b) semi-synthetic polymer
(c) synthetic polymer
(d) plasticiser

Question 6.
Rayon is
(a) natural silk
(b) artificial silk
(c) natural rubber
(d) synthetic plastic

Question 7.
Three dimensional molecules with cross links are formed in the case of a
(a) thermoplastic
(b) thermosetting plastic
(c) Both (a) and (b)
(d) None of the above

Question 8.
Which of the following polymers can have strong intermolecular forces?
I. Nylon
II. Polystyrene
III. Rubber
IV. Polyesters
The correct answer is
(a) I and IV
(b) II and III
(c) I and III
(d) All of these

Question 9.
Which of the following represents the example of homopolymer?
(a) PMMA
(b) Nylon- 6, 6
(c) Dacron
(d) Bakelite

Question 10.
Polyacrylonitrile is an example of
(a) addition polymer
(b) condensation polymer
(c) natural polymer
(d) None of these

Question 11.
The catalyst used in the manufacture of polythene by Ziegler method is
(a) titanium tetra chloride and triethyl aluminium
(b) titanium oxide
(c) lithium tetrachloride and triphenyl aluminium
(d) titanium iso-peroxide

Question 12.
Which of the following is fully fluorinated polymer?
(a) Neoprene
(b) Teflon
(c) Thiokol
(d) PVC

Question 13.
Orion has a monomer unit of
(a) vinyl cyanide
(b) acrolein
(c) glycol
(d) isoprene

Question 14.
Teflon, PVC and neoprene are all
(a) copolymers
(b) condensation polymers
(c) homo polymers
(d) monomers

Question 15.
Which of the following is used to make non-stick cookware?
(a) PVC
(b) Polystyrene
(c) Polyethylene
(d) Polytetrafluoroethylene

Question 16.
Synthetic human hair wigs are made from a copolymer of vinyl chloride and acrylonitrile and is called
(a) PVC
(b) polyacrylonitrile
(c) cellulose
(d) dynel

Question 17.
Which of the following is an addition polymer?
(a) Buna-S
(b) Bakelite
(c) Nylon-6
(d) Malamac

Question 18.
Copolymer is
(a) nylon-6,10
(b) nylon-6
(c) PMMA
(d) polythene

Question 19.
Which factor imparts crystalline nature to a polymer like nylon?
(a) Hydrogen bonding
(b) Covalent bonding
(c) Ionic bonding
(d) All of the above

Question 20.
Interparticle forces present in nylon-6,6 are
(a) van der Waals’ forces
(b) dipole-dipole interactions
(c) H-bonding
(d) None of the above

Question 21.
Condensation product of caprolactum is
(a) nylon-6
(b) nylon-6,6
(c) nylon-6,0
(d) nylon-6,10

Question 22.
Which one of the following polymers is prepared by condensation polymerisation?
(a) Nylon-6,6
(b) Teflon
(c) Rubber
(d) Styrene

Question 23.

Question 24.

Question 25.
Which one of the following is a chain growth polymer?
(a) Starch
(b) Nucleic acid
(c) Polystyrene
(d) Protein

Question 26.
Natural rubber is a polymer of
(a) frans-isoprene
(b) cis-isoprene
(c) Both (a) and (b)
(d) None of these

Question 27.
The process involving heating of rubber with sulphur is called
(a) galvanisation
(b) vulcanisation
(c) bessemerisation
(d) sulphonation

Question 28.
Ebonite is
(a) highly vulcanised rubber
(b) natural rubber
(c) synthetic rubber
(d) None of these

Question 29.
Among cellulose, polyvinyl chloride, nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest in
(a) nylon
(b) polyvinyl chloride
(c) cellulose
(d) natural rubber

Question 30.
Teflon polymer is formed by the polymerisation of
(a) CH₂=CH—CN
(b) Cl₂C=CH₂
(c) F₂C =CF₂
(d) H₂C =CHCl

Question 31.
Plexiglass is a commercial name of
(a) glyptal
(b) polyacrylonitrile
(c) polymethyl methacrylate
(d) polyethyl acrylate

Question 32.
For the formation of terylene, the number of moles of ethylene glycol required per mole of terephthalic acid is
(a) 1
(b) 2
(c) 3
(d) 4

Question 33.
Glyptal polymer is obtained from glycol by reacting with
(a) malonic acid
(b) phthalic acid
(c) maleic acid
(d) terephthalic acid

Question 34.
Thermosetting polymer,bakelite is formed by the reaction of phenol with
(a) CH₃CH₂CHO
(b) CH₃CHO
(c) HCHO
(d) HCOOH

Question 35.
Which of the following is a biodegradable polymer?
(a) Cellulose
(b) Polythene
(c) Polyvinyl chloride
(d) Nylon-6

Question 36.
Which of the following monomers form biodegradable polymers?
I. 3-hydroxybutanoic acid+3-hydroxypentanoic acid
II. Glycine+amino caproic acid
III. Ethylene glycol+Phthalic acid
IV. Caprolactam
The correct answer is
(a) I and II
(b) II and III
(c) I, II and III
(d) All of these

Question 37.

Direction (Q.No.38): In the following question, more than one answers given may be correct. Select the correct answers and mark it according to the codes.
Codes
(a) 1,2 and 3 are correct
(b) 1 and 2 are correct
(c) 2 and 4 are correct
(d) 1 and 3 are correct

Question 38.
Nylon is a
1. condensation polymer
2. polyamide
3. copolymer
4. homopolymer

Question 39.

Direction(Q.NOs.40-41): Each of these questions contains two statements: Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.
(a) Assertion is true, Reason is true; Reason is a correct explanation for Assertion
(b) Assertion is true, Reason is true; Reason is not a correct explanation for Assertion
(c) Assertion is true, Reason is false
(d) Assertion is false, Reason is true

Question 40.
Assertion: Bakelite is a thermosetting plastic.
Reason: In thermosetting plastics, the polymeric chains are held together by strong covalent bonds.

Question 41.
Assertion: In vulcanisation of rubber, sulphur cross links are introduced.
Reason: Vulcanisation is a free radical initiated chain reaction.

Question 42.
Which of the following organic compounds polymerises 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

Question 43.
Which one of the following is an example of thermosetting polymer?

Question 44.
Which of the monomer of neoprene in the following?

Question 45.
Nylon is an example of
(a) Polysaccharide
(b) Polyamide
(c) Polythene
(d) Polyester

Question 46.
Which of these is not a monomer for a high molecular mass silicone polymer?
(a) Me₂SiCl₂
(b) Me₃SiCl
(c) PhSiCl₃
(d) MeSiCl₃

Question 47.
Which one of the following is not a condensation polymer?
(a) Melamine
(b) Glyptal
(c) Dacron
(d) Neoprene

Question 48.

Question 49.
Of the following which one is classified as polyester polymer?
(a) Bakelite
(b) Melamine
(c) Nylon-6, 6
(d) Terylene

Question 50.
A condensation polymer among the following polymers
(a) teflon
(b) polystyrene
(c) PVC
(d) dacron

Question 51.
Which of the following is a biodegradable polymer?
(a) Polythene
(b) Bakelite
(c) PHBV
(d) PVC

Question 52.
Which of the following structures represents neoprene polymer?

Question 53.
The monomers of buna-S rubber are
(a) vinyl chloride and sulphur
(b) butadiene
(c) styrene and butadiene
(d) isoprene and butadiene

Answers:

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