Identification of Unknown Organic Compounds

Paper Summary:

This paper presents and examines an experiment that identifies two unknown compounds based on their solubility, reactions with various organic and inorganic molecules and the melting point of certain synthesized derivatives containing the unknown. It describes the methods of the experiment and then presents and discusses the results obtained.

Table of Contents:
Introduction
Materials and Methods
Results
Discussion

From the Paper:

"The final step in the identification process was to make an acetamide derivative and its melting point to discover the primary amine (Organic Chemistry Lab Manual, 48-65). However, the recrystallization process did not yield any crystals, so the melting point of the actual unknown was measured. At 108-110oC, it would indicate 3-nitroaniline, which has a melting point of 113oC in literature (ChemIDplus Advanced). In addition, it does have a high molecular weight, 138.14 g/mol (ChemIDplus Advanced), as the solubility of its sulfonamide salt indicated (Organic Chemistry Lab Manual, 48-65). Finally, it is the only primary amine that is a yellow crystalline solid at room temperature (International Programme on Chemical Safety)."

Sample of Sources Used:

• "3-nitroaninline." International Programme on Chemical Safety. 2007. International Labour Organization. 10 Mar 2007. <www.ilo.org/public/english/protection/safework/cis/products/icsc/dtasht/_icsc03/icsc0307.pdf>
• "Chemical Structure." ChemIDplus Advanced. 2005. U.S. National Library of Medicine. 14 Mar 2007. <http://chem.sis.nlm.nih.gov/chemidplus>
• Organic Chemistry Lab Manual. SC/CHEM 2020.06. Toronto: York University Department of Chemistry, Fall-Winter 2007-2008.
• Potvin, Pierre. Organic Chemistry First Half Course Kit. Fall/Winter 2007-2008. Toronto: York University, 2007
• Wade, L.G. Organic Chemistry. 6th ed. 2006

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