The value of Rf is: a. greater than or equal to one b. less than or...
Homework Answers
Answer:
The Value of Rf is Less than or equal to one ----> option(c)
Explanation:
Rf is the retardation factor which is the ratio between the migration distance of a substance and the migration distance of the solvent front. It is always greater than or equal to zero, and less than or equal to 1.
For Rf simply divide the distance the solution traveled by the distance the solvent traveled.
i.e , RF = Ds / Df
where, Df = the distance the solvent traveled and Ds = the distance the test solution traveled
we know Rf value is a fraction. It is the ratio of how far a substance travels up the chromatography paper compared to the distance the solvent has travelled [ it is impossible for any compound to migrate faster than the carrier solvent ] This means that it must be less than 1
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