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QUESTION 1 If you are using polystyrene as the stationary phase, what would be the effect of switching from 90%:10% ethyl acetate:hexane to 80%:20% ethyl acetate:hexane? (Dipole moment of hexane:0 , dipole moment of ethyl acetate: 1.78 the Rf would remain the same the Rf would double the Rf would decrease the Rf would increase

QUESTION 1 If you are using polystyrene as the stationary phase, what would be the effect of switching from 90%:10% ethyl acetate:hexane to 80%:20% ethyl acetate:hexane? (Dipole moment of hexane:0 , dipole moment of ethyl acetate: 1.78 the Rf would remain the same the Rf would double the Rf would decrease the Rf would increase

Chemistry
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 1 If you are using polystyrene as the stationary phase, what would be the effect of switching from 90%:10% ethyl acetate:hexane to 80%:20% ethyl acetate:hexane? (Dipole moment of hexane:0, dipole moment of ethyl acetate: 1.78 the Rf would remain the same the Rf would double the Rf would decrease the Rf would increase QUESTION 2 What solvent property would alter Rf if two solvents have the same number of dipole of equal strength? (This is for normal phase/silica/SiO2 stationary phase) O hydrogen bond acceptors hydrogen bond donors O reactivity polarizibility (large electron cloud) QUESTION 3 What is Rf unable to measure in TLC? how well two compounds separate by TLC o how fast a solvent travels through the stationary phase how strongly a compound adheres to the stationary phase O how strongly a solvent binds to the stationary phase
Transcribed Image Text:QUESTION 1 If you are using polystyrene as the stationary phase, what would be the effect of switching from 90%:10% ethyl acetate:hexane to 80%:20% ethyl acetate:hexane? (Dipole moment of hexane:0, dipole moment of ethyl acetate: 1.78 the Rf would remain the same the Rf would double the Rf would decrease the Rf would increase QUESTION 2 What solvent property would alter Rf if two solvents have the same number of dipole of equal strength? (This is for normal phase/silica/SiO2 stationary phase) O hydrogen bond acceptors hydrogen bond donors O reactivity polarizibility (large electron cloud) QUESTION 3 What is Rf unable to measure in TLC? how well two compounds separate by TLC o how fast a solvent travels through the stationary phase how strongly a compound adheres to the stationary phase O how strongly a solvent binds to the stationary phase
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