Question Detail

CHM 102 Isolation and Purification of Organic Compounds Objective Question
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Question

In thin layer chromatography (TLC), what phenomenon causes the solvent to move up the plate?
Options
A Gravity
B Pressure
C Capillary action
Correct Answer
D Electrostatic forces
Correct Answer

Option C is the correct answer.

Detailed Explanation

In TLC, the solvent rises through the adsorbent layer (silica gel or alumina) by capillary action, carrying the sample components with it at different rates based on their adsorption affinities.

Hint

The same phenomenon that draws water up a paper towel.

Question Info

Course: CHM 102
Topic: Isolation and Purification of Organic Compounds
Type: Objective
Difficulty: Not specified
Question 505 of 1999
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