OWLv2 with LabSkills for Gilbert/Martin's Experimental Organic Chemistry: A Miniscale & Microscale Approach, 6th Edition, [Instant Access], 4 terms (24 months)
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Chapter 3.3, Problem 21E
Interpretation Introduction

Interpretation:Whether Rf will be higher or lower after replacement of 20:80 ethyl acetate:hexane with 50:50 ethyl acetate:hexane should be explained.

Concept introduction:Retention factor or Rf refers to distance that is travelled by liquid to reach top of chromatographic plate. All compounds have particular value of Rf for specific solvent. This value is used for comparison of unknown samples with known compounds.

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In the box below, specify which of the given compounds are very soluble in polar aprotic solvents. You may select more than one compound. Choose one or more: NaCl NH4Cl CH3CH2CH2CH2CH2CN CH3CH2OH hexan-2-one NaOH CH3SCH3
On the following structure, select all of the atoms that could ACCEPT a hydrogen bond. Ignore possible complications of aromaticity. When selecting be sure to click on the center of the atom.
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