Edexcel IGCSE Chemistry 4.42C ester uses

Practise ester-use questions by stating the smell evidence for ester formation and giving accepted flavouring or perfume uses.

Exam points

State the sweet, fruity or distinctive smell used as evidence that an ester has formed.
Give a suitable use of esters, such as food flavourings, perfumes or solvents.

[Maximum number: 2]

This question is about alcohols, carboxylic acids and esters.

(a)

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

[ 2 ]

(i)

State how you would know that an ester has formed.

[ 1 ]

(ii)

Give one use of an ester.

[ 1 ]

All question bank results loaded