Identification of Solid Unknown 18 S Solubility Test Results: Because unknown 18 S was soluble in NaOH but not in NaHCO3, it could be determined that the unknown compound was a phenol. Classification tests were performed to ensure the compound was a phenol. Classification Test Results: The classification tests performed confirmed that Unknown 18 S was a phenol. Both tests for the phenol functional group yielded a positive result. Possible Compounds: Derivative: 4-nitrophenol α-Naphthylurethane derivative Observed MP 149.6ºC Literature MP […]