ExamGOAL
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41
Subjective

Match the polymers given in Column I with their main applications given in Column II.

Column I Column II
A. Bakelite 1. Unbreakable crockery
B. Low density polyethene 2. Non-stick cookwares
C. Melamine-formaldehyde resin 3. Packaging material for shock absorbance
D. Nylon-6 4. Electrical switches
E. Polytetrafluoroethane 5. Squeeze bottles
F. Polystyrene 6. Tyre, cords

Explanation

A. $\rightarrow(4)$ B. $\rightarrow$ (5) C. $\rightarrow$ (1) D. $\rightarrow(6)$ E. $\rightarrow(4)$ F. $\rightarrow(3)$

Column I Column II
A. Bakelite 1. Electrical switches
B. Low density polyethene 2. Squeeze bottles
C. Melamine-formaldehyde resin 3. Unbreakable crockery
D. Nylon-6 4. Tyre, cords
E. Polytetrafluoroethane 5. Non-stick cookwares
F. Polystyrene 6. Packaging material for shock absorbance

42
Subjective

Match the polymers given in Column I with the preferred mode of polymerisation followed by their monomers Column II.

Column I Column II
A. Nylon-6,6 1. Free radical polymerisation
B. PVC 2. Ziegler-Natta polymerisation or coordination polymerisation
C. HDP 3. Anionic polymerisation

Explanation

A. $\rightarrow$ (4) B. $\rightarrow(1)$ C. $\rightarrow$ (2)

Column I represents name of various polymer and Column II represents mechanism of polymerisation. Correct matching can be done as

Column I Column II
A. Nylon-6,6 1. Condensation polymerisation
B. PVC 2. Free radical polymerisation
C. HDP 3. Ziegler-Natta polymerisation or coordination polymerisation

43
Subjective

Match the polymers given in Column I with the type of linkage present in them given in Column II.

Column I Column II
A. Terylene 1. Glycosidic linkage
B. Nylon 2. Ester linkage
C. Cellulose 3. Phosphodiester linkage
D. Proetin 4. Amide linkage
E. RNA

Explanation

A. $\rightarrow(2)$ B. $\rightarrow$ (4) C. $\rightarrow(1)$ D. $\rightarrow(4)$ E. $\rightarrow$ (3)

Column I represents name of polymer and Column II represents types of linkage. Hence, correct matching can be done as

Column I Column II
A. Terylene 1. Ester linkage
B. Nylon 2. Amide linkage
C. Cellulose 3. Glycosidic linkage
D. Proetin 4. Amide linkage
E. RNA Phosphodiester linkage

44
Subjective

Match materials given in Column I with the polymers given in Column II.

Column I Column II
A. Natural rubber latex 1. Nylon
B. Wood laminates 2. Neoprene
C. Ropes and fibres 3. Dacron
D. Polyester fabric 4. Melamine formaldehyde resins
E. Synthetic rubber 5. Urea-formaldehyde resins
F. Unbreakable crockery 6. cis-polyisoprene

Explanation

A. $\rightarrow$ (6) B. $\rightarrow$ (5) C. $\rightarrow$ (1) D. $\rightarrow(3)$ E. $\rightarrow$ (2) F. $\rightarrow$ (4)

Column I represents various uses or precursurs of polymers and Column II represents name of related polymer. The correct matching can be done as

Column I Column II
A. Natural rubber latex 1. cis-polyisoprene
B. Wood laminates 2. Urea-formaldehyde resins
C. Ropes and fibres 3. Nylon
D. Polyester fabric 4. Dacron
E. Synthetic rubber 5. Neoprene
F. Unbreakable crockery 6. Melamine formaldehyde resins

45
Subjective

Match the polymers given in Column I with their repeating units given in Column II.

Column I Column II
A. Acrilan 1.
B. Polystyrene 2.
C. Neoprene 3.
D. Novolac 4.
E. Buna-N 5.
6.

Explanation

A. $\rightarrow(4)$ B. $\rightarrow$ (1) C. $\rightarrow(2)$ D. $\rightarrow$ (4) E. $\rightarrow(3)$

Column I represents name of polymer and Column II represents their molecular formula. The correct matching can be done as

Column I Column II
A. Acrilan 1.
B. Polystyrene 2.
C. Neoprene 3.
D. Novolac 4.
E. Buna-N 5.