In Thin Layer Chromatography (TLC), if the mobile solvent front moves and the target substance moves — Practical Organic Chemistry and Purification Chemistry Question
Question
In Thin Layer Chromatography (TLC), if the mobile solvent front moves $10\text{ cm}$ and the target substance moves $6.5\text{ cm}$, what is its $R_f$ value?
Answer: B
💡 Solution & Explanation
The Retention Factor ($R_f$) is the ratio of the distance moved by the substance to the distance moved by the solvent front: $6.5 / 10 = 0.65$.
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