What type of polymerization reaction occurred to produce the following polymer?

Question

Quizplus · Accepted Answer

The formation of a polymer by the elimination of small molecules such as water, HCl, or ammonia is called condensation polymerization. In this process, two monomers react to form a covalent bond between the two monomers with the elimination of a smaller molecule. In the given polymer, there is evidence of the formation of water molecules during polymerization, indicating that it is a condensation polymerization reaction.

What Type of Polymerization Reaction Occurred to Produce the Following