12 Questions
What is the function of the condenser in Soxhlet extraction?
Allows cold water to cool the solvent vapour
Which main part of the Soxhlet apparatus contains the extraction solvent?
Flask with heating source
What is the purpose of the thimble in the Soxhlet Extractor?
Contains the sample
Why is the Soxhlet extraction method time-consuming?
The process includes repeated cycling of solvent
Which part of the Soxhlet extractor is responsible for periodically emptying the thimble?
Siphon
Why does the Soxhlet extractor need the desired compound to be soluble in the solvent at a high temperature?
To ensure efficient extraction of the compound
What is the purpose of the siphon side arm in the Soxhlet extraction process?
To empty the chamber when it is almost full
Why is hexane often used as a solvent in Soxhlet extraction?
To remove oily and fatty materials
What distinguishes Soxhlet extraction from traditional extraction methods?
It allows for continuous extraction with less solvent
In Soxhlet extraction, why must the desired components be soluble in the solvent at a high temperature?
To increase the efficiency of extraction
What is the advantage of using a rotary evaporator after Soxhlet extraction?
To yield the extracted compound by removing the solvent
Why is Soxhlet extraction limited to boiling solvents?
For extraction to occur effectively
Learn about the Soxhlet extraction technique used for extracting chemicals from plants. Understand how this method is commonly utilized in laboratories for determining crude active ingredients. Explore the different parts of a Soxhlet apparatus, including the flask, extractor, and condenser.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
