What is the name of the polymer?

Answer & explanation
Correct answer: option 3
The correct answer is option 3. Terylene
Dacron or terylene is the polycondensation product of benzene-1,4-dicarboxylic acid (terephthalic acid) and ethane-1,2-diol (ethylene glycol). Dacron or terylene is the best-known example of polyester.
