Chemistry Purification, Classification and Nomenclature of Organic Compounds JEE Main 2019 Single Correct MCQ
Published on: August 12, 2026

The principle of column chromatography is:

A
Gravitational force
B
Capillary action.
C
Differential adsorption of the substances on the solid phase.
D
Differential adsorption of the substances on the solid phase.

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The correct answer is:
D

In column chromatograph; a solid adsorbent is packed on a column and a solution containing number of solute particles is allowed to flow down the column. The solute molecules get absorbed on the surface of adsorbent and move through column at different rates based on differential adsorption of the substances on the solid phase.

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