Terylene (polyester) is a condensation polymer - HSC - SSCE Chemistry - Question 4 - 2005 - Paper 1
Question 4
Terylene (polyester) is a condensation polymer. Part of the structure of the polymer is shown.
What are the two monomers that form this polymer?
(A)
(B)
(C... show full transcript
Worked Solution & Example Answer:Terylene (polyester) is a condensation polymer - HSC - SSCE Chemistry - Question 4 - 2005 - Paper 1
Step 1
Identify Monomer I
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Answer
Monomer I is a benzene ring with a hydroxyl group (-OH) attached. The structure corresponds to a dihydroxy compound, specifically a substituted phenol.
Step 2
Identify Monomer II
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Answer
Monomer II is a carboxylic acid, specifically a dicarboxylic acid with two carboxyl groups (-COOH) attached to a benzene ring. This enables the formation of ester linkages during the condensation process.
Step 3
Select the Correct Monomers
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Answer
The correct pair of monomers that form Terylene (polyester) is Monomer I from option D and Monomer II from option D.
