Ester or amide linkage in a polymer (polyesters and polyamides)

This type of question, asked 12 times: May 2022 S1, 11 May 2023 S1, 11 May 2023 S2, 15 May 2023 S2, 22 Apr 2025 S2, 25 Apr 2025 S1, 26 Apr 2025 S1, 15 Apr 2026 S1, 15 Apr 2026 S2, 12 May 2026 S1, 19 May 2026 S1, 19 May 2026 S2. All 12 questions below, oldest first.

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Question 1
May 2022 S1
73 $Which among the following pair of monomers does not generate polyamide polymer?$
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Question 2
11 May 2023 S1
81 $Which from following polymer contains ester linkage?$
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Question 3
11 May 2023 S2
83 $Which from following polymers contain -CO-NH- linkage in it?$
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Question 4
15 May 2023 S2
76 $Which of following polymer does not contain the linkage shown below?$
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Question 5
22 Apr 2025 S2
97 $- CO - NH -$
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Question 6
25 Apr 2025 S1
80 $Identify polyamide polymer from following.$
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Question 7
26 Apr 2025 S1
59 $- COO -$
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Question 8
15 Apr 2026 S1
48 $Which of the following polymers has ester linkage?$
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Question 9
15 Apr 2026 S2
50 $Which among the following is NOT a polyester polymer ?$
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Question 10
12 May 2026 S1
49 $Which of the following polymers is known as nylon?$
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Question 11
19 May 2026 S1
50 $Identify a polymer containing nitrogen.$
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Question 12
19 May 2026 S2
50 $What type of polymers the polycarbonates are?$
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Ester or amide linkage in a polymer (polyesters and polyamides)

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