1. What is paper chromatograpy?2. What are the stationary phase and mobile phase in paper chromatograpy?3. What is the principle underlying the paper chromatograpy?4. What is Rf value of a dye or pigment?5. Would you expect that changing the solvent will change the Rf value of the specific solute? Why?6. Suggest simple reasons why the Ni2+ and Fe3+ ions have different Rf values?7. What forces causes the eluting solution to move the chromatographic support material? 1. What is paper chromatograpy?2. What are the stationary phase and mobile phase in paper chromatograpy?3. What is the principle underlying the paper chromatograpy?4. What is Re value of a dye or pigment?5. Would you expect that changing the solvent will change the R; value of the specificsolute? Why?6. Suggest simple reasons why the Ni* and Fe* ions have different Re vahues?7. What forces causes the eluting solution to move the chromatographic support material?

1) Paper chromatography is the analytical technique used to seperate coloured compounds in a mixture…

Answered: 1. What is paper chromatograpy? 2. What…

1. What is paper chromatograpy? 2. What are the stationary phase and mobile phase in paper chromatograpy? 3. What is the principle underlying the paper chromatograpy?

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter89: Thin-layer Chromatography

Section: Chapter Questions

Problem 7P

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Question

1. What is paper chromatograpy?
2. What are the stationary phase and mobile phase in paper chromatograpy?
3. What is the principle underlying the paper chromatograpy?
4. What is Rf value of a dye or pigment?
5. Would you expect that changing the solvent will change the Rf value of the specific solute? Why?
6. Suggest simple reasons why the Ni2+ and Fe3+ ions have different Rf values?
7. What forces causes the eluting solution to move the chromatographic support material?

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