Edexcel IGCSE Chemistry 4 41c Ester Structures and Names Questions

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

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.

[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?

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

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

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

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

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