Name the compound/compounds used in the preparation of nylon-66 .

Options

A. `epsi`-caprolactum
B. hexamethylene diamine and adipic acid
C. dimethyl terephthalate
D. hexamethylene diamine

Answer

B

Explanation

(i) `epsi`-caprolactam is monomer of nylon -6 ( or perion )
(ii) dimethyl terephthalate and hexamethylene diamine usually do not polymerise individually.
(iii) Nylon-6,6 is polymer of adipic acid and hexamethylene diamine .