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Which of the following pairs can be used to produce a biodegradable polymer?

1. CH2=CH—CN and CH2=CH—CH=CH2
2. H2N—CH2—COOH and H2N—(CH2)5—COOH
3. HO—CH2—CH2—OH and HOOC—C6H4—COOH
4. C6H5—CH=CH2 and CH2=CH—CH=CH2

Correct answer: H2N—CH2—COOH and H2N—(CH2)5—COOH

Solution

The correct option consists of amino acids, which can polymerize to form peptides or proteins, leading to biodegradable polymers. These natural polymers can break down in the environment, unlike many synthetic alternatives.

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