Thin Layer Chromatography
Assessment
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Pragyandip Parthasarathi Dash
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Other
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12th Grade - University
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Medium
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10 questions
Show answers
1.
Multiple Choice
TLC stands for...
Tender Love & Care
Thick Layer Chromatography
Thin Layer Chromatography
Thin Liquid Chromatography
2.
Multiple Select
In TLC substances are separated because of differences in_______. Tick all that apply.
polarity
molecular size
concentration
electronegativity
3.
Multiple Choice
The distance travelled by the compound depends on how soluble it is in the chosen solvent.
TRUE
FALSE
4.
Multiple Choice
The distance travelled by the compound depends on how well it adheres to the plate.
TRUE
FALSE
5.
Multiple Select
What is normally required to visualise the spots on a TLC chromatogram? Tick all that apply.
X-rays
Ultraviolet light
Infrared light
Developing agent
6.
Multiple Choice
How to calculate Rf?
Rf = distance travelled by sample / distance travelled by solvent
Rf = distance travelled by solvent / distance travelled by sample
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