Nylon-6,6 is made from hexane-1,6-diamine and hexanedioic acid. Which small molecule is eliminated as each amide link forms?
Correct answer A. Water
Explanation
This is condensation polymerisation: the –NH₂ group of the diamine reacts with the –COOH group of the diacid, forming an amide link –CONH– and releasing H₂O. If hexanedioyl dichloride is used, HCl is released instead.
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