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Question

In chromatography technique, the component that travels the least on paper has:

A
least solubility in water
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B
highest solubility in water
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C
highest attraction towards water
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D
no attraction towards paper
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Solution

The correct option is A least solubility in water
Chromatography is the technique used for the separation of components of dye. It is based on the principle of different solubilities of components in a same solvent, such as water. The component that is least soluble in water, rises/travels the least on a paper as compared to other components. Or, in other words, we can say that the component that rises/travels the least on a paper as compared to other components, is having highest attraction towards paper as compared to other components.

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