On a thin layer chromatographic plate, an organic compound moved by 3.5 cm, while the solvent moved by 5 cm. The retardation factor of the organic compound is . (Nearest Integer)

Question

On a thin layer chromatographic plate, an organic compound moved by 3.5 cm, while the solvent moved by 5 cm. The retardation factor of the organic compound is  . (Nearest Integer)

Canvas Classes · Accepted Answer

Step 1: Recall the  Formula

The retardation factor is defined as:

Step 2: Identify the Given Data

- Distance moved by organic compound = 3.5 cm
- Distance moved by solvent front = 5.0 cm

Step 3: Calculate

Step 4: Convert to Required Format

The question asks for the answer as :

Therefore .

Key Points to Remember:
-  always lies between 0 and 1 (inclusive)
- : compound does not move at all (maximum adsorption)
- : compound moves exactly with the solvent front (no adsorption)
- Polar c

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