Thin-Layer Chromatography Was Performed and Four Spots Were Visualized on the Glass

question 83

Multiple Choice

Thin-layer chromatography was performed and four spots were visualized on the glass slide. The substance with which Rf value was least soluble in the stationary phase?

• A)Rf value .7
• B)Rf value .2
• C)Rf value .5
• D)Rf value 8.5

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Definitions:

Median cubital

Referring to the median cubital vein, a prominent vein located in the cubital fossa of the arm, commonly used for venipuncture.

Cephalic veins

Superficial veins located in the lateral aspect of the arm, often used for intravenous access or blood drawing.

Povidone-iodine

An antiseptic used for skin disinfection before and after surgery and for the treatment of minor wounds.

Alcohol

A chemical substance found in drinks like beer, wine, and spirits, which can alter consciousness and often has intoxicating effects.