Identify the monomer in the following polymeric structures.
[−O||C−(CH2)8−O||C−NH−(CH2)6−NH−]n
(a) Decanedioic acid HOOC−(CH2)8−COOH
(b) Hexamethylenediamine H2N−(CH2)6−NH2.
(a) 2, 4, 4 - triamino - 1, 3, 5 - triazine or melamine
(b) Formaldehyde or methanal (HCHO)
O || H−C−H