Answer :
Anthracene & benzoic acid are the substances that will remain in the organic phase. These follow the like-dissolve-like compound concept and are acidic.
The weak base benzoic acid is swiftly deprotonated by NaOH. In the meanwhile, the weak basic ethyl 4-aminobenzoate can be protonated using HCl. Ethyl 4-aminobenzoate is much more polar than its counterpart since it has two polar groups.
Therefore, if the separation is carried out solely using an acidic solvent, the methylene chloride-based organic layer's acids might be recovered using a chemical agent. The acidic substances are anthracene and benzoic acid. The majority of the fundamental solvent, ethyl 4-aminobenzoate, will then remain in the organic layer after they have been removed.
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