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Paper Chromatography

Mediumchemistry

In paper chromatography, a solute shows Rf value 0.60 when the solvent front moves 8.0 cm. The distance moved by the solute spot is:

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About This Question

Subject
chemistry
Chapter
principles related to practical chemistry
Topic
paper chromatography
Difficulty
Medium
Year
2025
Tags
ChromatographyRf ValueSeparation

Solution

Correct Answer:

4.8 cm

Rf is defined as distance traveled by solute divided by distance traveled by solvent front. Therefore, distance by solute = 0.60 x 8.0 cm = 4.8 cm. This value must be less than solvent-front distance, which is satisfied.

This medium difficulty chemistry question is from the chapter principles related to practical chemistry, covering the topic of paper chromatography. It appeared in the 2025 exam.

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