Practical: making and testing the smell of some esters in the lab
1 mark · EasyState the catalyst commonly used in the laboratory preparation of esters from a carboxylic acid and an alcohol.
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concentrated sulfuric acid
Also accept: sulfuric acid; concentrated H2SO4
Common mistakes: hydrochloric acid; nitric acid
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Marking points
B1 · 1 mark · Identifies concentrated sulfuric acid as the catalyst.
Worked solution
The catalyst commonly used is concentrated sulfuric acid.