In chromatographic technique, the relative adsorption of a component in a mixture is expressed in terms of its `R_(f)` value . It is defined as :

Options

A. `("Distance moved by solvent form base line ")/("Distance moved by the substance from base line")`
B. `("Amount adsorbed by a pure solvent")/("Amount adsorbed by the mixture")`
C. `("Distance moved by the substance from base line ")/("Distance moved by solvent from base line")`
D. Amount adsorbed per gram of stationary phase.

Answer

C