Basics of Organic Chemistry

Question

If dichloromethane (DCM) and water (H₂O) are used for differential extraction, which one of the following statements is correct ?

Accepted Answer

Option C. Density of DCM = 1.39 and density of H₂O = 1.0.
Dichloromethane (DCM) is a denser solvent than water. Therefore, when a mixture of DCM and water is allowed to settle in a separating funnel, the DCM forms the lower layer due to its higher density, while the water forms the upper layer. The two solvents are immiscible, meaning they do not mix and form two distinct layers.

More on Basics of Organic Chemistry

Basics of Organic Chemistry

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