Foundation
Chemistry Foundation
NTSE Chemistry
Question
The polymer formed by condensation of adipic acid and hexamethylene diamine is
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Solution
Condensation polymerization involves monomers with two functional groups reacting, releasing a small molecule like water. Adipic acid (HOOC-(CH2)4-COOH) is a dicarboxylic acid, and hexamethylene diamine (H2N-(CH2)6-NH2) is a diamine. They undergo polycondensation, forming amide linkages and producing nylon-6,6. The name "6,6" denotes the six carbon atoms in each monomer's chain segment between functional groups.
Final answer: Nylon - 6, 6