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Edexcel IGCSE Chemistry 4.41C ester formulae

Practise ester-formula questions by deducing alcohols and acids, drawing ester links and choosing correct ester names from structures.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • Deduce the alcohol and carboxylic acid from an ester name or displayed formula.
  • Draw the displayed formula of an ester, showing the ester link and all bonds clearly.
  • Choose the correct ester name or structural formula from methyl, ethyl, propyl and butyl options.

4.41C Ester structures and names question 1

[Maximum number: 1]

This question is about alcohols, carboxylic acids and esters.

In the presence of an acid catalyst, ethanoic acid is heated with butanol to form an ester.

Which of these is the formula of the ester?

A

CH3COOC3H7\mathrm{CH}_{3} \mathrm{COOC}_{3} \mathrm{H}_{7}

B

CH3COOC4H9\mathrm{CH}_{3} \mathrm{COOC}_{4} \mathrm{H}_{9}

C

C2H5COOC4H9\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COOC}_{4} \mathrm{H}_{9}

D

C3H7COOC2H5\mathrm{C}_{3} \mathrm{H}_{7} \mathrm{COOC}_{2} \mathrm{H}_{5}

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