Q. [NH(CH₂)₆NHCO(CH₂)₄CO]ₙ is a :
A) co-polymer
B) addition polymer
C) thermo-setting polymer
D) homopolymer
Explanation
[Solution from source] This is nylon-6,6, made by condensing hexamethylenediamine with adipic acid. Since its repeating unit comes from two different monomers it is a copolymer. It is a condensation (not addition) polymer and a thermoplastic fibre, not a thermosetting one. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.