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Polymer made from ethylene glycol and an aromatic dicarboxylic acid (Dacron)

The same question, asked 2 times: 11 May 2023 S1, 16 May 2023 S1. Every wording below, oldest first.

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  1. Question 1

    11 May 2023 S1

    89
    Which from following polymers needs dihydric alcohol and aromatic dicarboxylic acid for its synthesis?

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  2. Question 2

    16 May 2023 S1

    53
    Which of the following polymers need HO-CH2_2-CH2_2-OH as one of the monomers for its preparation?

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