Why is it impossible to perform a liquid-liquid extraction using h2o (water)and ch3oh (methanol)?

they could be joined due to hydrogen bridge-type intermolecular interactions so no phase splitting will be carried out.

Explanation:

Hello,

Liquid-liquid extraction is a widely used separation operation that is suitable when relative volatilities are so close, so an extra substance is used to modify the equilibrium causing a phase splitting (two liquid immiscible phases) which could be leveraged to mechanically separate the two phases. The basic idea lies on the fact that the extra substance must be largely immiscible with the original solvent, to the solute is selectively separated, nonetheless, in this case, water and methanol are largely soluble to each other since they could be joined due to hydrogen bridge-type intermolecular interactions so no phase splitting will be carried out.

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it should be all of them because it asks if you included all of those in your answer

explanation: