Question Detail
Question
When a mixture is spotted on a TLC plate and developed, the solvent front travels 10 cm and a compound travels 4 cm. What is the Rf value?
Correct Answer
Option A is the correct answer.
Detailed Explanation
Rf = distance substance (4 cm) / distance solvent front (10 cm) = 0.4. Rf values are always between 0 and 1.
Hint
Divide substance distance by solvent distance.