A silica TLC plate is developed in a mixture of solvent system/mobile phase.- The solvent travels 30 mm up the plate.- Analyte #1 travels 9 mm up the plate.- Analyte #2 travels 16 mm up the plate.**Question**: Which analyte is more polar, and what is its Rf?**Options**:- ○ Analyte #1, Rf = 0.53- ○ Analyte #2, Rf = 0.53- ○ Analyte #2, Rf = 0.3- ○ Analyte #1, Rf = 0.3**Explanation**: The retention factor (Rf) is calculated by dividing the distance traveled by the analyte by the distance traveled by the solvent. Analyte #1 is more polar if it travels less distance since polar compounds tend to have lower Rf values on a polar stationary phase like silica gel. For Analyte #1:- Rf = 9 mm / 30 mm = 0.3For Analyte #2:- Rf = 16 mm / 30 mm = 0.53Thus, Analyte #1 is more polar, with an Rf of 0.3.

Rf is used in paper chromatography for the detection of unknown compounds.Rf can be calculated as…

A silica TLC plate is developed in a mixture of solvent system/mobile phase. The solvent travels 30 mm up the plate Analyte #1 travels 9 mm up the plate Analyte #2 travels 16 mm up the plate Which analyte is more polar, and what is its Rf? Analyte #1, Rf = 0.53 Analyte #2, Rf = 0.53 Analyte #2, Rf = 0.3 Analyte #1, Rf = 0.3

A silica TLC plate is developed in a mixture of solvent system/mobile phase. The solvent travels 30 mm up the plate Analyte #1 travels 9 mm up the plate Analyte #2 travels 16 mm up the plate Which analyte is more polar, and what is its Rf? Analyte #1, Rf = 0.53 Analyte #2, Rf = 0.53 Analyte #2, Rf = 0.3 Analyte #1, Rf = 0.3

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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