stuff for today Flashcards
(7 cards)
1
Q
pV=nRT units
A
p= pa v= m^3 n= mol R= on sheet T= K
2
Q
how do you obtain a pure organic liquid from a mixture?
A
- use a separating funnel to separate organic and aqueous layers
- drying with an anhydrous salt e.g. CaCl2
- redistillation
3
Q
how to know a substance is a ketone or aldehyde?
A
- add 2,4- DNP
- orange precipitate
- take melting point
- compare to known data
4
Q
what are the limitations of free radical substitution?
A
- further substitution e.g. C3H6Cl2
- substitution at different positions on chain CHCHClCH3
5
Q
draw reflux
A
look at word document
6
Q
draw distillation
A
look at screen shot
7
Q
how do you purify an organic solid?
A
- filtration under reduced pressure
- recrystallization
- measure melting point
