1
Q
Rf value definition
A
Retention factor is the distance travelled up the paper by a component divided by the distance travelled by the solvent.
2
Q
Rf values equation
A
Rf = distance travelled by spot \ distance travelled by the solvent
3
Q
Paper Chromatography
A
A separation technique that is used to separate and identify the components of a mixture.
4
Q
A pure substance will have…
A
Only one spot
5
Q
The most effective way of comparing substances would be by….
A
Using the same piece of filter paper.
6
Q
The ink spots should be…
A
Above the solvent line.
7
Q
Solvent Front
A
Furthest distance the solvent travelled
Chemistry qualitative analysis
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