1: The following TLC plate was prepared with the stationary phase as silica gel (polar, SiO₂) and the mobile phase as 0.5% glacial acetic acid in ethyl acetate. Calculate the Re for compounds C and D, as well as for each spot in the mixture, and identify which compound is more polar.

1: The following TLC plate was prepared with the stationary phase as silica gel (polar, SiO₂) and the mobile phase as 0.5% glacial acetic acid in ethyl acetate. Calculate the Re for compounds C and D, as well as for each spot in the mixture, and identify which compound is more polar.

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter13: An Introduction To Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 13.21QAP

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1: The following TLC plate was prepared with the stationary phase as silica gel (polar, SiO₂) and the
mobile phase as 0.5% glacial acetic acid in ethyl acetate. Calculate the Re for compounds C and D, as
well as for each spot in the mixture, and identify which compound is more polar.
C
mix D
Spot C:
Spot D:
Top mix:
Bottom mix:
Most polar:

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