Terylene (PET) is a polyester made from which pair of monomers?
Correct answer A. Ethane-1,2-diol and benzene-1,4-dicarboxylic acid
Explanation
PET forms by condensation between the –OH groups of ethane-1,2-diol and the –COOH groups of benzene-1,4-dicarboxylic acid, giving ester links and water. It is used for fibres and drinks bottles.
Answer checked How we write and check questions
Discussion