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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