During a solvent extraction, a student lost track of which layer was the aqueous layer and which layer was the organic layer. Wh at simple, non-destructive test could be used to determine which layer is which? a. add a little distilled water to see which layer the water adds to
b. obtain a sample of the solution in the seperatory funnel and ultilize IR
c. ask the instructor if you can perform a supercritical extraction of the sample
c. obtain a sample of solution in seperatory funnel and utilize infrared spectroscopy (IR).
2 answers:
Answer:
a. add a little distilled water to see which layer the water adds to
Explanation:
The problem tells us to keep in mind two major aspects of the test: It has to be <em>simple</em>, as well as <em>non-destructive</em>:
Adding distilled water can be made in under a minute, without requiring specialized laboratory equipment, unlike IR. It is also non-destructive, because the contents on either layer won't change due to the added distilled water.
A. add a little-distilled water to see which layer the water adds to depending density of organic solvent-water layer can be top or bottom when we add little water you can absorb water addition or repulsion which helps to identify water layer
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