When does the organic compound is present in the upper solvent layer in differential extraction?

It is always present in the upper layer

When does the organic compound is present in the upper solvent layer i

1.	When does the organic compound is present in the upper solvent layer in differential extraction?
A.	Before the extraction
B.	During the extraction
C.	After the extraction
D.	It is always present in the upper layer
Answer» D. It is always present in the upper layer