A developed TLC plate is shown. Calculate the Rf of the spot. Please show work. b) If the compound analyzed is re-analyzed using a less polar solvent, what can be predicted about the resulting chromatogram? A. The compound will exhibit a higher Rf in a less polar solvent. B. The compound will exhibit a lower Rf in a less polar solvent. C. It is impossible to predict whether the Rf will be higher or lower.
A developed TLC plate is shown. Calculate the Rf of the spot. Please show work. b) If the compound analyzed is re-analyzed using a less polar solvent, what can be predicted about the resulting chromatogram? A. The compound will exhibit a higher Rf in a less polar solvent. B. The compound will exhibit a lower Rf in a less polar solvent. C. It is impossible to predict whether the Rf will be higher or lower.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
a) A developed TLC plate is shown. Calculate the Rf of the spot. Please show work.
b) If the compound analyzed is re-analyzed using a less polar solvent, what can be predicted about the resulting chromatogram?
A. The compound will exhibit a higher Rf in a less polar solvent.
B. The compound will exhibit a lower Rf in a less polar solvent.
C. It is impossible to predict whether the Rf will be higher or lower.
Expert Solution
Question A
Ans
Rf = distance travel by solute spot /distance travel by solvent spot
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