CHM 230L/235L Review Topics

For Laboratory Final Exam

 

Exp 1:            Melting Points

                        Melting point measurement technique

            Mixed melting point characterization technique

 

Exp. 2:          Distillation and Gas Chromatography

                         Simple and Fractional Distillation (Terms, Theory, and Use)

                         Gas Chromatography (GC): How to use and interpret data

 

Exp. 3            Separation and Identification of Organic Compounds

                        Liquid-liquid extraction based on density, polarity and solubility

                        Acid-base properties related to polarity and solubility

                        Purification by recrystallization and vacuum filtration

                        Simple Distillation and use of Rotovap

                        IR identification

 

Exp. 4:           The Synthesis of Isoamyl Acetate (Banana Oil)

                        Dehydration of an organic acid and alcohol to make an ester

                        Equilibrium in synthesis

                        Reflux

                        Simple distillation

                        Percent yield calculation

                        Drying agent

 

Exp. 5:           The Synthesis and Characterization of Cyclohexene

                        Alcohol dehydration to an alkene

                        Equilibrium in synthesis

                        Fractional distillation and Azeotropes

                       Gas chromatography - analysis of purity (review GC printout)

 

Exp. 6:           Determining the Mechanism of a Chemical Reaction

                        Nucleophilic substitution mechanisms

                        Method of determining order of a reaction

                        Relationship between rate law and mechanism

 

 

Exp. 7            Thin Layer Chromatography of Analgesics and Amino Acids

 Identification by TLC and effect of solvent polarity on separation

                        Amino acid, protein, and peptide bond concepts

                        Principles and use of thin layer chromatography (TLC)

                        Polarity of amino acids