4C - Organic Chemistry (g) Esters
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What is the functional group of Esters?
What ester is produced when ethanol and ethanoic acid react in the presence of an acid catalyst?
Ethyl Ethanoate
What is the structural and displayed formulae of ethyl ethanoate?
CH₃COOCH₂CH₃
What is formed when an alcohol and carboxylic acid react?
A -yl -anoate and water
How is the displayed formula of an ester written?
With the part from a carboxylic acid on the left (The -yl is on the right)
What are Esters used as? Why?
Fruit flavourings and in perfumes because they have a sweet, fruity smell.
What is the property of an Ester (relating to state)?
They are volatile and have distinctive smells. A volatile liquid is one that turns into a vapour easily.
How would you produce ethyl ethanoate?
Heat a mixture of ethanoic acid and ethanol using concentrated sulfuric acid as a catalyst. This forms ethyl ethanoate and water.