Uses of esters

2 marks · Hard

State two reasons why esters are important in the manufacturing of everyday consumer products.

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Also accept: Esters are used for flavourings in food and drinks; Esters are used as perfumes or fragrances; Volatile liquid/pleasant/sweet/fruity smells

Common mistakes: Incorrectly stating esters are used as fuels; Stating only properties, not uses

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Marking points

B1 · 1 mark · Esters used as flavourings (in food/drinks)

B2 · 1 mark · Esters used as perfumes/fragrances

Worked solution

Esters are important because they are:

1. Used as flavourings in food and drinks (they provide fruity/sweet flavours).

2. Used in perfumes (to give pleasant/fruity/fragrant smells).