TLC was used to compare the solubility of two compounds A and B in a solvent system (acetic acid, methanol, H2O). The distances that solvent has moved in the silica gel TLC was 12 cm. and for the compounds were 2 and 8 cm respectively. (a) Calculate the Rf values and which compound is more soluble and which one is more polar. (b) What are the factors affecting the Rf value

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section13.6: Expressing Solution Composition
Problem 13.7PSP
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TLC was used to compare the solubility of two compounds A and B in a solvent 
system (acetic acid, methanol, H2O). The distances that solvent has moved in the 
silica gel TLC was 12 cm. and for the compounds were 2 and 8 cm respectively. 
(a) Calculate the Rf values and which compound is more soluble and which one is 
more polar. (b) What are the factors affecting the Rf value

 

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