Polymers PYQs Set 5 (PDF)

Set 5 of 5 · Questions 121-148 of 148

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Mere Teacher · Previous Year Questions NEET Chemistry · Polymers · Set 5 (Q121-148)
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121. $Lactic acid and glycolic acid are the monomers used for preparation of polymer$ (1) $nylon-2-nylon-6$ (2) $dextron$ (3) $PHBV$ (4) $buna-N.$ 122. $Match the following: List-I A. Natural rubber B. Cellulose C. Nylon-6 D. Teflon List-II (i) β -glucose (ii) Isoprene (iii) Tetrafluoroethylene (iv) Caprolactam (v) Hexamethylenediamine, adipic acid The correct answer is A B C D$ (1) $(ii) (i) (iv) (iii)$ (2) $(ii) (iv) (i) (iii)$ (3) $(iv) (i) (ii) (iii)$ (4) $(ii) (iii) (iv) (v)$ 123. $Which of the following polymers is used to manufacture clothes for firefighters?$ (1) $Thiokol$ (2) $Kevlar$ (3) $Nomex$ (4) $Dynel$ 124. $Caprolactam when heated at high temperature in presence of water, gives$ (1) $Tenon$ (2) $Dacron$ (3) $Nylon 6, 6$ (4) $Nylon 6$ 125. $Which is the monomer of neoprene in the following?$ (1) $C H_{2} = C (C l) - C H = C H_{2}$ (2) $C H_{2} = C H - C \equiv C H$ (3) $C H_{2} = C H - C H = C H_{2}$ (4) $C H_{3} (NEET2013)$ 126. $Biodegradable polymer which can be produced from glycine and aminocaproic acid is$ (1) $buna‐N$ (2) $nylon 6,6$ (3) $nylon 2‐nylon 6$ (4) $PHBV(2015, Cancelled)$ 127. $Zinc acetate - antimony trioxide catalyst used in the preparation of which polymer?$ (1) $High density polythene$ (2) $Teflon$ (3) $Terylene$ (4) $PVC$ 128. $Match List-I with List-II : Choose the correct answer from the options givenbelow:$ (1) $(a) - (iii), (b)-(iv), (c) -(ii), (d) -(i)$ (2) $(a) - (ii), (b)-(iii), (c) -(iv), (d) -(i)$ (3) $(a) - (ii), (b)-(i), (c) -(iv), (d) -(iii)$ (4) $(a) - (iii), (b)-(i), (c) -(iv), (d) -(ii)$ 129. $Caprolactam is used for the manufacture of$ (1) $Teflon$ (2) $terylene$ (3) $nylon 6, 6$ (4) $nylon 6. (2015)$ 130. $Match List I with List II List I Polymers A. Phenol- formaldehyde resin B. Copolymer of 1,3- butadiene and styrene C. Polyester of glycol and phthalic acid D. Polyester of glycol and terephthalic acid List II Commenrcial names I. Glyptal II. Novolac III. Buna-S IV. Dacron Choose the correct answer from the options given$ (1) $A-II, B -III, C-IV, D-I$ (2) $A-II, B -III, C-I, D-IV$ (3) $A-II, B -I, C-III, D-IV$ (4) $A-III, B -II, C-IV, D-I$ 131. $Which of the following is fully fluorinated polymer$ (1) $PVC$ (2) $Thiokol$ (3) $Teflon$ (4) $Neoprene$ 132. $Which ofthefollowingorganiccompounds polymerizes to form the polyester Dacron?$ (1) $Propylene and para$ (2) $Benzoic acid and ethanol$ (3) $Terephthalic acid and ethylene glycol$ (4) $Benzoic acid and para (2014)$ 133. $Which among the following polymers can be formed by using caprolactam monomer unit?$ (1) $Nylon-6, 6$ (2) $Nylon-2-nylon-6$ (3) $Melamine polymer$ (4) $Nylon-6$ 134. $Which of the following polymers is synthesized using a free radical polymerization technique ?$ (1) $Teflon$ (2) $Melamine polymer$ (3) $Nylon 6,6$ (4) $Terylene$ 135. $Which one of the following structures represents the neoprene polymer ?$ (1) (2) $(- C H_{2} - C H (C N) -)_{n}$ (3) $(- C H_{2} - C (C l) = C H - C H_{2} -)_{n}$ (4) $(- C H_{2} - C H (C l) -)_{n}$ 136. $On complete hydrogenation, natural rubber produces$ (1) $ethylene-propylene copolymer$ (2) $vulcanised rubber$ (3) $polypropylene$ (4) $polybutylene$ 137. $Terylene polymer is obtained by condensation of:$ (1) $Ethane-1, 2-diol and Benzene-1, 3 dicarboxylic acid$ (2) $Propane-1, 2-diol and Benzene-1, 4 dicarboxylic acid$ (3) $Ethane-1, 2-diol and Benzene-1, 4 dicarboxylic acid$ (4) $Ethane-1, 2-diol and Benzene-1, 2 dicarboxylic acid$ 138. $The biodegradable polymer is$ (1) $buna‐S$ (2) $nylon‐6,6$ (3) $nylon‐2‐ny1on 6$ (4) $nylon‐6(NEET2019)$ 139. $The monomers of buna-S rubber are$ (1) $Isoprene and butadiene$ (2) $Butadiene and phenol$ (3) $Styrene and butadiene$ (4) $Vinyl chloride and sulphur$ 140. $Nylon is an example of$ (1) $polyamide$ (2) $polythene$ (3) $polyester$ (4) $polysaccharide. (NEET2013)$ 141. $Identify the use of HDP from following.$ (1) $Insulation of electric cables.$ (2) $Manufacture of toys.$ (3) $Submarine cable insulation.$ (4) $Producing extruded films.$ 142. $Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Dacron is an example of polyester polymer. Reason R: Dacron is made up of ethylene glycol and terephthalic acid monomers. In the light of the above statements, choose the most appropriate answer from the options given below.$ (1) $Both A and R are correct and R is the correct explanation of A.$ (2) $Both A and R are correct but R is NOT the correct explanation of A.$ (3) $A is correct but R is not correct.$ (4) $A is not correct but R is correct.$ 143. $Monomer of$ (1) $2‐methylpropene$ (2) $styrene$ (3) $propylene$ (4) $ethene. (2002)$ 144. $The monomer of the polymer$ (1) $C H_{2} = C (C H_{3})_{2}$ (2) $C H_{3} C H C H = C H_{3}$ (3) $C H_{3} C H = C H_{2}$ (4) $(2005)$ 145. $Monomer units of Dacron polymer are :$ (1) $ethylene glycol and phthalic acid$ (2) $ethylene glycol and terephthalic acid$ (3) $glycerol and terephthalic acid$ (4) $glycerol and phthalic acid$ 146. $is a repeating unit for :$ (1) $Novolac$ (2) $Buna-N$ (3) $Acrilan$ (4) $Neoprene$ 147. $C F_{2} = C F_{2} is monomer of$ (1) $Teflon$ (2) $orlon$ (3) $polythene$ (4) $nylon‐6. (2000)$ 148. $The structure of Neoprene is:$ (1) $(- C H_{2} - C H (C N) -)_{n}$ (2) $(- C H_{2} - C (C l) = C H - C H_{2} -)_{n}$ (3) (4) $(- C H_{2} C H = C H - C H_{2} - C H_{2} - C H (C N) -)_{n}$