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Which of the following is the apparatus for differential extraction?

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in Chemistry – Class 11 by (148k points)
Which of the following is the apparatus for differential extraction?

(a) Separatory funnel

(b) Porous sheet

(c) Packed column

(d) Electric motor

This question was addressed to me at a job interview.

This intriguing question comes from Methods of Purification of Organic Compounds in chapter Organic Chemistry – Basic Principles and Technique of Chemistry – Class 11

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Right option is (a) Separatory funnel

For explanation: A seperatory funnel is used in differential extraction. Differential extraction involves separating the immiscible organic compound from the aqueous solvent. The separating funnel aids in this process of separating immiscible liquids. It also helps in layer formation, with the denser solvent at the bottom and the other on top. This layer formation is important for the process, and thus, separatory funnel is chosen as the apparatus for differential extraction.

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