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Answer:
Some pigments dissolve in water easier and are pulled with the water farther up the paper.
Others are more attracted to the paper and move more slowly. Usually smaller molecules will move farther than larger ones.
Some of the pigments travel briskly along the chromatography strip in comparison to others based upon their solubility. The more soluble the pigment is the more it will travel, and vice versa.
What is the concept of chromatography?
An analytical technique, which is generally used to separate a mixture of chemical substances into its individual constituents based upon their solubility is known as chromatography.
One of the method of chromatography is paper chromatography, in which the substances like chromatography strip is used to separate molecules based upon their different solubilities. One can separate the sample of dissolved pigments with the help of chromatography strip.
In the process, the solvent carries the dissolved pigments as it moves up the paper. In the process, the separation of pigments takes place on the basis of their distinct solubilities in a solvent. The pigments mediates at distinct rates due to their distinct solubility. The most soluble pigment will travel the greatest distance, and a pigment, which is less soluble will move a shorter distance.
Thus, some of the pigments travel faster along the chromatography strip based upon their solubilities.
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