Terelyne is a polyester resin formed by the reaction of ethane-1,2-diol and:
Correct answer: C. Benzene-1,4-dicarboxylic acid
- A. Adipic acid
- B. Hexamethylene diamine
- C. Benzene-1,4-dicarboxylic acid
- D. Epichlorohydrin
Explanation
The correct answer is Option C:Benzene-1,4-dicarboxylic acid. Terelyne is a type of polyester formed by the reaction of ethane-1,2-diol (ethylene glycol) and benzene-1,4-dicarboxylic acid (terephthalic acid). Polyesters are formed through a condensation reaction between diols and dicarboxylic acids. The other options do not participate in the formation of polyesters: adipic acid and hexamethylene diamine are used in nylon production, while epichlorohydrin is used in forming epoxy resins.
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Industrial chemistry applies chemical reactions and material properties to the manufacture of adhesives, dyes and polymers. Coverage includes addition and condensation polymerisation, thermoplastics and thermosetting polymers, the structural basis of colour in dyes, and how adhesive composition enables bonding between surfaces.
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