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Questions and Answers
What does Rf value quantify in chromatography?
What does Rf value quantify in chromatography?
- The color intensity of the substances
- The movement of the materials along the plate (correct)
- The weight of the substances
- The temperature of the solvent
In chromatography, what does Rf value equal to?
In chromatography, what does Rf value equal to?
- Temperature of the solvent divided by distance traveled by the substance
- Weight of the substances divided by distance traveled by the solvent
- Distance traveled by the substance divided by distance traveled by the solvent (correct)
- Distance traveled by the solvent divided by distance traveled by the substance
What is the range of Rf value?
What is the range of Rf value?
- Between -1 and 1
- Between zero and one (correct)
- Between 0 and 100
- Between 1 and 10
Flashcards
Rf value
Rf value
A measure of how far a substance travels during chromatography, relative to the solvent front.
What does Rf value quantify?
What does Rf value quantify?
The distance traveled by a substance compared to the distance traveled by the solvent in chromatography.
Rf value range
Rf value range
The Rf value can range from 0 to 1, indicating how far a substance has moved relative to the solvent front.
Study Notes
Rf Value in Chromatography
- Rf value quantifies the distance traveled by a substance in a chromatogram relative to the distance traveled by the solvent front.
- Rf value equals the ratio of the distance traveled by the substance to the distance traveled by the solvent front.
- The range of Rf value is 0 to 1, where 0 indicates the substance did not move from the origin and 1 indicates the substance moved with the solvent front.
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Description
Test your understanding of the Rf value used in chromatography to quantify the movement of substances along the plate. Learn about how Rf is calculated and its significance in separation techniques.
