True statements regarding polymers are: 

a. Polymers have a low molecular weight.

b. Polymers have high viscosity.

c. Polymers scatter light.

d. Polymers do not carry any charge.

1. a, b and c

2. a, b and d

3. b, c and d

4. a, c and d

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 72%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following is not correctly matched?

(1) Nylon-6, 6

                                                     O
                                                     ||
NH(CH2)6NHCO(CH2)4Cn

(2) Neoprene

CH2 - C = CH - CH2 -
             |
            Cln

(3) PMMA

(4)Terylene

निम्नलिखित में से कौन सा ठीक से मेल नहीं खाता है?

 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 56%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which /are correct about spandex?

(I) It is a polyurethane
(II) It is a flexible polymer
(III) It is a polymer of toluene 2, 6 di isocyanates, and glycol
(IV) lt is a polymer of ammonium carbamate

(1) I, II, III

(2) I, II, IV

(3) III, II, IV 

(4) I, II, III, IV

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Polymers that involve cross-linkages are: 

(I) Bakelite                
(II) High density Polythene
(III) PVC
(IV) Vulcanised rubber

(1) I, II, IV

(2) II only

(3) III, IV

(4) I, IV

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 65%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Incorrect statement regarding the polymers is: 

(1) They all have a repeating structural unit.

(2) They have high viscosity.

(3) They scatter light.

(4) They have low molecular weights.

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 83%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following compounds not contain amide linkage/group?

(1) Acetamide

(2) Nylon-6

(3) Cellulose

(4) Proteins

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 76%
From NCERT
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Which of the following are biopolymers?

(a) Leather

(b) Nucleic acids

(c) Orlon

(d) Bakelite

1. a,b

2.a,b,c

3.b

4.a

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 52%
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Which of the following cannot be used as a plasticizer?

1. 

2. 

3. cresyl triphosphate

4. Di- n-octyl phthalate

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Passage

The polymer is a very large molecule that is made up of repeating small molecular units called monomers. The chemical reaction that unites the monomers is called polymerization. There are homopolymers, copolymers depending upon the type of monomers present in them.

Which of the following monomers will give radical polymerization most readily?
 

1. C6H5CH=CH2

2. CH2=CH2

3. CH3C(CH3)=CH2

4. CH3CH=CH2

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 51%
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The polymer containing strong intermolecular forces like hydrogen bonding is

(1) Teflon

(2) nylon 6,6

(3) polystyrene

(4) natural rubber

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 69%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh