2023
NEET
MCQ
NEET 2023 Manipur
Given below are two statements:
Statement I : High density polythene is formed in the presence of catalyst triethylaluminium and titanium tetrachloride.
Statement II : High density polymers are chemically inert.
In the light of the above statements, choose the correct answer from the options given below :
A.
Statement I is correct but Statement II is false.
B.
Statement I is incorrect but Statement II is true.
C.
Both Statement I and Statement II are true.
D.
Both Statement I and Statement II are false.
2023
NEET
MCQ
NEET 2023
Which amongst the following molecules on polymerization produces neoprene?
A.
B.
H$_2$C = CH $-$ C $\equiv$ CH
C.
D.
H$_2$C = CH $-$ CH = CH$_2$
2022
NEET
MCQ
NEET 2022 Phase 2
Which among the following is a thermoplastic polymer?
A.
Melamine polymer
B.
Bakelite
C.
Polythene
D.
Urea-formaldehyde resin
2022
NEET
MCQ
NEET 2022 Phase 1
Which statement regarding polymers is not correct?
A.
Elastomers have polymer chains held together by weak intermolecular forces
B.
Fibers possess high tensile strength
C.
Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively
D.
Thermosetting polymers are reusable
2021
NEET
MCQ
NEET 2021
Which one of the following polymers is prepared by addition polymerisation?
A.
Dacron
B.
Teflon
C.
Nylon-66
D.
Novolac
2021
NEET
MCQ
NEET 2021
The reagent 'R' in the given sequence of chemical reaction is :
A.
CuCN/KCN
B.
H2O
C.
CH3CH2OH
D.
HI
2020
NEET
MCQ
NEET 2020 Phase 1
Which of the following is a natural polymer?
A.
poly (Butadiene-styrene)
B.
polybutadiene
C.
poly (Butadiene-acrylonitrile)
D.
cis-1, 4-polyisoprene
2019
NEET
MCQ
NEET 2019
The biodegradable polymer is :
A.
nylon-6
B.
Buna-S
C.
nylon-6, 6
D.
nylon-2-nylon 6
2018
NEET
MCQ
NEET 2018
Regarding cross-linked or network polymers,
which of the following statements is incorrect?
A.
They contain covalent bonds between
various linear polymer chains.
B.
They are formed from bi- and tri-functional
monomers.
C.
Examples are bakelite and melamine.
D.
They contain strong covalent bonds in
their polymer chains.
2016
NEET
MCQ
NEET 2016 Phase 2
Which one of the following structures represents nylon 6, 6 polymer?
A.
B.
C.
D.
2016
NEET
MCQ
NEET 2016 Phase 1
Natural rubber has
A.
alternate cis- and trans-configuration
B.
random cis- and trans-configuration
C.
all cis-configuration
D.
all trans-configuration.
2015
NEET
MCQ
AIPMT 2015
Caprolactam is used for the manufacture of
A.
teflon
B.
terylene
C.
nylon 6, 6
D.
nylon 6.
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
Biodegradable polymer which can be produced from glycine and aminocaproic acid is
A.
buna - N
B.
nylon 6, 6
C.
nylon 2-nylon 6
D.
PHBV
2014
NEET
MCQ
AIPMT 2014
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
2014
NEET
MCQ
AIPMT 2014
Which one of the following is an example of thermosetting polymer?
A.
B.
C.
D.
2013
NEET
MCQ
NEET 2013
Nylon is an example of
A.
polyamide
B.
polythene
C.
polyester
D.
polysaccharide.
2013
NEET
MCQ
NEET 2013
Which is the monomer of neoprene in the following?
A.
B.
C.
D.
2012
NEET
MCQ
AIPMT 2012 Mains
Which one of the following sets forms the biodegradable polymer?
A.
B.
C.
D.
2012
NEET
MCQ
AIPMT 2012 Prelims
Which of the following statements is false?
A.
Artificial silk is derived from cellulose.
B.
Nylon-6, 6 is an example of elastomer.
C.
The repeat unit in natural rubber is isoprene.
D.
Both starch and cellulose are polymers of glucose.
2012
NEET
MCQ
AIPMT 2012 Prelims
Which one of the following is not a condensation polymer?
A.
Melamine
B.
Glyptal
C.
Dacron
D.
Neoprene
2011
NEET
MCQ
AIPMT 2011 Prelims
Of the following which one is classified as polyester polymer?
A.
Terylene
B.
Bakelite
C.
Melamine
D.
Nylon-6,6
2010
NEET
MCQ
AIPMT 2010 Prelims
Which of the following structures represents neoprene polymer?
A.
B.
C.
D.
2009
NEET
MCQ
AIPMT 2009
Structures of some common polymers are given. Which one is not correctly presented?
A.
B.
C.
D.
2008
NEET
MCQ
AIPMT 2008
Which one of the following statements is not true?
A.
Buna-S is a copolymer of butadiene and styrene.
B.
Natural rubber is a, 1,4-polymer of isoprene.
C.
In vulcanization, the formation of sulphur bridges between different chains make rubber harder and stronger.
D.
Natural rubber has the trans-configuration at every double bond.
2007
NEET
MCQ
AIPMT 2007
Which one of the following polymers is prepared by condensation polymerisation?
A.
Teflon
B.
Natural rubber
C.
Styrene
D.
Nylon-6,6
2006
NEET
MCQ
AIPMT 2006
is a
A.
homopolymer
B.
copolymer
C.
addition polymer
D.
thermosetting polymer.
2005
NEET
MCQ
AIPMT 2005
The monomer of the polymer
A.
B.
CH3CH$=$CHCH3
C.
CH3CH$=$CH2
D.
(CH3)2C$=$C(CH3)2
2004
NEET
MCQ
AIPMT 2004
Which one of the following is a chain growth polymer?
A.
Starch
B.
Nucleic acid
C.
Polystyrene
D.
Protein
2003
NEET
MCQ
AIPMT 2003
Which one of the following monomers gives the polymer neoprene on polymerization?
A.
CH2$=$CHCl
B.
CCl2$=$CCl2
C.
D.
CF2$=$CF2
2003
NEET
MCQ
AIPMT 2003
Acrilan is a hard, horny and a high melting material. Which one of the following represents its structure?
A.
B.
C.
D.
2002
NEET
MCQ
AIPMT 2002
Cellulose is polymer of
A.
glucose
B.
fructose
C.
ribose
D.
sucrose.
2002
NEET
MCQ
AIPMT 2002
Monomer of
is
is
A.
2-methylpropene
B.
styrene
C.
propylene
D.
ethene
2001
NEET
MCQ
AIPMT 2001
Which of the following is not correctly matched?
A.
B.
C.
D.
2000
NEET
MCQ
AIPMT 2000
Which compound forms linear polymer due to H-bond?
A.
H2O
B.
NH3
C.
HF
D.
HCl
2000
NEET
MCQ
AIPMT 2000
CF2 $=$ CF2 is monomer of
A.
teflon
B.
orlon
C.
polythene
D.
nylon-6.
