Question

Nylon-6,6 is made by the condensation polymerisation of hexamethylene diamine and adipic acid in the molar ratio of ____________

(a) 2 : 3

(b) 1 : 2

(c) 3 : 5

(d) 1 : 1

I got this question by my school principal while I was bunking the class.

This intriguing question originated from Fibers in division Polymers of Engineering Chemistry I

Answer 1

Right choice is (d) 1 : 1

Explanation: Nylon-6, 6 is made by the condensation polymerisation of hexamethylene diamine and adipic acid in the molar ratio of 1 : 1. Equivalent amounts of hexamethylene diamine and adipic acid are combined with water in a reactor.