Question

Which properties of solvent are useful for extraction.

Answer 1

Answer:

solvent should be immiscible in water

Answer 2

The properties of the solvent used for solvent extraction are as follows:

1. The solvent should be well miscible with the liquid to be extracted.

2. The solvent should not be miscible with the other components of the mixture or react with the solute.

3. The boiling point of the solvent should be low enough ( well below the melting point of the solute) such that it can be evaporated easily after collection.

4. It should have a favourable temperature coefficient.

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