Exam-style question
Try this first
Which of the following is a correct repeating unit for the polyester formed from ethylene glycol and terephthalic acid?.
- A.A) -O-C₆H₄-CO-O-C₂H₄-
- B.B) -O-C₂H₄-CO-O-C₆H₄-
- C.C) -C₆H₄-CO-O-C₂H₄-O-
- D.D) -C₂H₄-CO-O-C₆H₄-
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.