Which organic solvent would be the best to use for a liquid liquid extraction wh

Question

Which organic solvent would be the best to use for a liquid liquid extraction when the organic layer will be on top of the aqueous layer?

Diethyl ether (MW 74.12, density = 0.713 g/mL, immiscible in water)

Acetone (MW 58.08, density = 0.786 g/mL, miscible in water)

Dichloromethane (MW 84.93, density = 1.32 g/mL, immiscible in water)

d. Dioxane (MW 88.11, density = 1.033 g/mL, miscible in water)

Diethyl ether (MW 74.12, density = 0.713 g/mL, immiscible in water)

Acetone (MW 58.08, density = 0.786 g/mL, miscible in water)

Explanation / Answer

Diethyl ether is the best solvent.

Since it is having lower density than water and it is present as the upper layer.

Wheras, Acetone and dioxane are water missible and they won't give seperate layer while extracting with water.

And Dichloromethane is denser than water and it will present as bottom layer

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