NEET Solved Paper 2014 Question 36

Question: Which of the following organic compounds polymerizes to, form the polyester dacron? [AIPMT 2014]

Options:

A) Propylene and para $ HO-(C _6H _4)-OH $

B) Benzoic acid and ethanol

C) Terephthalic acid and ethylene glycol

D) Benzoic acid and para $ HO-(C _6H _4)-OH $

Show Answer

Answer:

Correct Answer: C

Solution:

  • Dacron, commonly known as terylene, is obtained by heating a mixture of terephthalic acid and ethylene glycol at 420-460 K in the presence of zinc acetate and antimony trioxide as a catalyst.