Question:

Which of the following organic compounds polymerizes to form the polyester Dacron?

Propylene and paraHO−(C6H4)−OH

Benzolic acid and ethanol

Terepthalic acid and ethylene glycol

Benzoic acid and paraHO−(C6H4)−OH

Terepthalic acid and ethylene glycol polymerizes to form the polyester Dacron as shown in the figure.