Question

The monomer used in the preparation of thermocol is ______.

Options

• vinyl chloride

• acrylamide

• butadiene and acrylonitrile

• styrene

Answer 1

The monomer used in the preparation of thermocol is styrene.

Explanation:

• Thermocol is a trade name for expanded polystyrene (EPS).
• It is a polymer made by polymerizing styrene, which is an unsaturated hydrocarbon (vinyl benzene).
• Reaction: \[\ce{n(CH2 = CH - C6H5) -> [-CH2 - CH (C6H5) -]_n}\]