RP10 - preparation of a pure organic solid and test of its purity and a pure organic liquid Flashcards
1
Q
what are the reactants used to form aspirin?
A
salicylic acid and ethanoic anhydride
2
Q
what is the IUPAC name for salicylic acid?
A
2- hydroxybenzoic acid
3
Q
what catalyst is used during the formation of aspirin?
A
concentrated sulphuric acid catalyst
4
Q
outline how you prepare a dry sample of impure aspirin
A
5
Q
why do you place the solution containing aspirin and ethanoic anhydride into cold water?
A
to remove the aspirin since it’s insoluble in cold water
6
Q
what apparatus is used in this experiment?
A
Büchner flask
Büchner funnel
Filter paper
Beaker
deionised water
7
Q
what is the method called in which you remove any impurities from the aspirin crystals?
A
reduced pressure filtration
