1
Q
What is the stationary phase?
A
Does not move
Normally a solid or a liquid supported on a solid
2
Q
What is the mobile phase?
A
Does move and is normally a liquid or a gas
3
Q
What does TLC indicate?
A
How many components are in a mixture
4
Q
What is the TLC plate made out of?
A
Plastic sheet or glass
5
Q
What is the TLC plate coated with?
A
A thin layer of a solid adsorbent substance usually silica
6
Q
What is the stationary phase in TLC?
A
The adsorbent
7
Q
What is adsorption?
A
The process by which the solid silica holds the different substances in the mixture to its surface
8
Q
What does Rf stand for?
A
Retention factor
9
Q
How to calculate Rf value?
A
Distance moved by the component/distance moved by the solvent front
A Level Chemistry- Organic
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