C3 - Esters Flashcards
How are esters formed?
From reacting alcohol with carboxylic acid.
What catalyst is used when making esters?
An acid catalyst.
What is the word equation for forming an ester?
Alcohol + carboxylic acid -> ester + water.
What is the naming process of esters and what do they end in?
Alcohol 1st, acid 2nd.
They end in ‘oate’.
What are properties of esters and their use in beauty?
They smell nice & are volatile so make good perfumes.
Why are esters dangerous?
They are flammable & heavier than air so can cause flash fires.
What don’t esters mix well with?
Don’t mix well with water.
What do esters mix well with?
Alcohols & organic solvents.
What can the fumes given off by esters do?
They can irritate the mucous membranes.
Why have esters replaced solvents?
They aren’t as toxic.
What are esters used for in the food industry and what have they caused worries about?
Synthetic food additives.
Worries about health problems.
What is the functional group of esters?
COO.