Thin Layer Chromatography (TLC)

Thin Layer Chromatography (TLC)

Assessment

Interactive Video

Chemistry, Science, Engineering, Physics

11th Grade - University

Hard

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The video tutorial explains thin layer chromatography (TLC), a technique used to separate compounds based on polarity. It covers the preparation of TLC plates, spotting samples, developing the plate with a solvent, and visualizing results using UV light or staining agents. The tutorial also discusses calculating retention factors (RF values) and the applications of TLC in monitoring reactions and selecting solvents for column chromatography.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the principle behind thin layer chromatography?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the role of silica gel in TLC.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do polar and non-polar substances behave differently in TLC?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the safety precautions that should be taken when using UV light in TLC.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the retention factor (RF value) in TLC?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how TLC can be used to monitor a chemical reaction.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What factors should be considered when selecting a solvent system for TLC?

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