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Cambridge AS & A Level Chemistry

18.2Esters

Esters in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 18.2.1Recall the formation of esters from an alcohol and a carboxylic acid with a concentrated H₂SO₄ catalyst.
  2. 18.2.2Describe the hydrolysis of esters by dilute acid and by dilute alkali.

Lessons

  • Esters: formation, hydrolysis and soap

    50 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Esters: sample question

1 mark

What is the role of concentrated sulfuric acid when ethanoic acid and ethanol are heated together to make ethyl ethanoate?

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