Which of the following have 1,2 - ethanediol as starting material?
With excess of HI or PI3 , 1, 2 - ethanediol gives
Which of the following polymer can be formed by using the following monomer unit?
(a) Nylon-6, 6
(b) Nylon-2-nylon-6
(c) Melamine polymer
(d) Nylon - 6