MCAT Organic Chemistry Review 2018-2019

Figure 12.4. Fractional Distillation With increased surface area in the distillation column, the distillate has mor ...

Before you move on, assess your understanding of the material with these questions. Distillation separates ...

12.3 Chromatography LEARNING GOALS After Chapter 12.3, you will be able to: Identify the properties that can ...

different substances to migrate at different speeds. This is called partitioning, and it represents an equilibri ...

up correctly, the solvent will creep up the plate by capillary action, carrying the various compounds in the sa ...

When TLC is performed, compounds are generally identified using the retardation factor (Rf), which is relatively ...

Figure 12.6. Column Chromatography Sample is added to the top of the column, and a solvent is poured over it. The m ...

In ion-exchange chromatography, the beads in the column are coated with charged substances so that they attra ...

Gas chromatography (GC) is another method that can be used for qualitative separation. GC, also known as vapor-p ...

High-performance liquid chromatography (HPLC) was previously called high-pressure liquid chromatography. As the name ...

In what way is gas chromatography distinct from all of the other techniques we have discussed? What is the ...

Conclusion Don’t forget, the MCAT won’t ask you to get into your lab coat and extract the product of a react ...

Concept Summary Solubility-Based Methods Distillation Extraction combines two immiscible liquids, one of which easi ...

Chromatography Vacuum distillation should be used if the boiling points are over 150°C to prevent degradation o ...

coating the beads with a receptor or antibody to the compound. Gas chromatography separates vaporizable compou ...

Answers to Concept Checks 12.1 The two solvents must be immiscible and must have different polarity or ac ...

out using other solutions As the name suggests, gas chromatography is simply the same technique of mobile an ...

Equations to Remember (12.1) Retardation factor: ...

Shared Concepts Biochemistry Chapter 3 Nonenzymatic Protein Function and Protein Analysis General Chemistry Chapte ...

Discrete Practice Questions Consult your online resources for Full-Length Exams and Passage-Based Questions (for ...