Selectivity of the solvent used in solvent extraction should be)_________________?
Correct answer: C. > 1
- A. 1
- B. < 1
- C. > 1
- D. 0
Explanation
Solvent selectivity is the ratio of the solvent's preference for the solute to its preference for the carrier. A useful extracting solvent must prefer the solute, giving a selectivity greater than one.
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