The following compounds were dissolved in dichloromethane (DCM) and extracted with sodium bicarbonate (NaHCO3) (aqueous). Determine which statement is true.

(a) Elaborate on the general principles behind using sodium bicarbonate for extraction in organic chemistry.
(b) Explain the types of compounds that are likely to undergo extraction with sodium bicarbonate and the rationale behind their solubility behavior.
(c) Discuss the potential chemical reactions that may occur during the extraction process and how they contribute to the separation of compounds.
(d) Consider the overall goal of this extraction method in the context of organic chemistry and its applications.