1.

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 :

Answer»

`("DISTANCE moved by solvent form BASE LINE ")/("Distance moved by the substance from base line")`
`("Amount adsorbed by a pure solvent")/("Amount adsorbed by the MIXTURE")`
`("Distance moved by the substance from base line ")/("Distance moved by solventfrom base line")`
Amount adsorbed per gram of STATIONARY phase.

Answer :C


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