Unit 26: Polymers — Mcqs

Q1.I.Which pair of monomers reacts to form a polyester?

Q1.II.What small molecule is eliminated when a diamine reacts with a dioyl chloride?

Q1.III.How do plasticizers affect PVC?

Q1.IV.What are the two monomers for Nylon 6,6?

Q1.V.[A polymer section is shown as the repeating structure -CH₂-CH(CH₃)-CH₂-CH(CH₃)-, drawn with a bracket and subscript n around the repeat unit -CH₂-CH(CH₃)-, i.e. a purely carbon backbone with a methyl branch on every second carbon.] A polymer section is shown: [-CH₂-CH(CH₃)-CH₂-CH(CH₃)-]ₙ... What is the monomer, and what type of polymer is it?

Q1.VI.Polyesters and polyamides are considered biodegradable because they:

Q1.VII.What are the products of alkaline hydrolysis (saponification) of a polyester?

Q1.VIII.What are the products of acidic hydrolysis of a polyamide?

Q1.IX.What is the primary cause of photodegradation in polymers?

Q1.X.Poly(alkenes) are considered "chemically inert" because they: