1. why must the spot applied to a TLC plate be above the level of the developing solvent? 2. what will be the apperance of a TLC plate if a solvent system of low polarity is used for the development of the plate? 3. Arrange the following in order of increasing Rf by TLC: hexane, ethanoic acid, chloromethane and pentanol? 4. Define the terms, "develope" and "visualize" as they apply to thin layer chromoatography?

1. why must the spot applied to a TLC plate be above the level of the developing solvent? 2. what will be the apperance of a TLC plate if a solvent system of low polarity is used for the development of the plate? 3. Arrange the following in order of increasing Rf by TLC: hexane, ethanoic acid, chloromethane and pentanol? 4. Define the terms, "develope" and "visualize" as they apply to thin layer chromoatography?

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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