Chemistry · May / June 2025 · Paper 11 · Question 37

The structure of a condensation polymer is shown. [structure: —N(H)—CH2—N(H)—C(=O)—CH2—CH2—C(=O)—N(H)—CH2—N(H)—C(=O)—CH2—CH2—C(=O)—] Which two monomers form this polymer?

1. AH2NCH2CH2NH2 and HOOCCH2COOH
2. BH2NCH2CH2NH2 and HOOCCH2CH2COOH
3. CH2NCH2NH2 and HOOCCH2CH2COOH
4. DH2NCH2NH2 and HOOCCH2COOH

As printed in the paper