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JAMB Chemistry 1998 Question 49

Question 49

Polymers

Terylene is synthesized from ethane-1, 2-diol and benzene-1, 4-dicarboxylic acid by

  1. A.addition reaction
  2. B.condensation reaction
  3. C.elimination reaction
  4. D.substitution reaction.
Show the answer and explanation

Answer: B (condensation reaction)

Explanation

The diol and the diacid join through ester links and lose a water molecule at each link, so terylene is a condensation polymer.