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Adsorption and Absorption

The mixture o...

Question

The mixture of compounds A and B is passed through a column of $A l_{2} O_{3}$ by using alcohol as eluant. Compound A is eluted in preference to compound B. Which of the compounds A or B, is more readily adsorbed on the column?

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Solution

Compounds which are adsorbed to the more extent comes out later while the another one which absorbed to the less extent comes out readily. Since, compound 'A' comes out before compound 'B' the compound 'B' is more readily adsorbed on the column.

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