Q. The correct repeating structural unit of polystyrene is
A) [image:15_image1.emf]
B) [image:15_image2.emf]
C) [image:15_image3.emf]
D) [image:15_image4.emf]
Explanation
(b)
Copolymers are obtained by the reaction of two or more different monomers. PVC (polyvinyl chloride) is a polymer of only one monomer unit, which is vinyl chloride.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.