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CAIE A-Level Chemistry 33.2 Esters

Practise preparing esters from acyl chlorides and interpreting ester structures, hydrolysis and synthesis routes.

Syllabus
2028–2030
Course
Chemistry 9701
Level
A2

Exam points

  • convert a carboxylic acid to its acyl chloride before reaction with an alcohol or phenolic compound
  • draw the ester linkage with the acid-derived acyl side and alcohol- or phenol-derived oxygen side
  • use hydrolysis products and follow-up tests to distinguish structures instead of relying on molecular formula

Covered syllabus points

33.2.1—Preparation of esters

33.2 Esters question 1

[Maximum number: 1]

P can be used to make compound Q in a single step reaction.

Figure for Question 33.2 Esters question 1 — CAIE A-Level Chemistry A2

Give the structural formula of the compound that is added to P to make Q and give the formula of the other product of this reaction.
compound added to P
other product

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