Practical questions Flashcards
1
Q
Primary Solutions should not
A
Absorb any molecule from the atmosphere (e.g. Water, Oxygen)
2
Q
After purification
A
Higher b.p, narrower range
3
Q
Purpose of desiccator
A
Prevent reabsorption of water
4
Q
The Rf value of an individual component is affected by…
A
Solvent used
5
Q
In heating under reflux, the water…
A
Goes in the bottom and comes out the top
6
Q
Purifying can be done by…
A
Recrystallisation
