Ochem lab - Study guides, Class notes & Summaries

Lab 1: OCHEM | Exam Review | Que & Answ Chromatography *** defined as a method for the separation of a mixture into its components by distribution between a mobile phase and a stationary phase. In TLC (thin layer chromatography), the stationary phase is generally a finely divided... *** solid (typically silica gel or alumina) The mobile phase is generally a... *** liquid The mixture that scientists want to separate is first applied to the

Notes summarizing final exam review for all concepts covered in Organic Chemistry I (Chem421) lab section. Covers details from all labs done over the semester.

Lab 5: OCHEM 1 | QUE & ANSW Liquid-Liquid extraction **** mixtures that contain different solubility properties that are separated by the "partitioning" of 2 immiscible phases -typically H20 and an organic solvent. Can mixtures with similar solubility properties be separated? ****

Lab 2: OCHEM 1 Melting point of a solid compound **** temperature at which a phase transition from solid to liquid occurs Melting point of a pure crystalline compound ****

Lab 6: OCHEM 1 |Reviewed Questions and Answers In this experiment, what are we isolating? **** (S) - 1 phenylethylamine How are we going to isolate it? **** Racemic (1) phenylethylamine will be reacted with enatiomerically pure (2R,3R) tartaric acid to form diastereoisomeric salts which can be resolved by selective crystallation from methanol

Ochem 1 Lab 5 - yuh

Lab 8: OCHEM 1 | Questions and Answers| Exam Review The principle site of reactivity in alkenes is the **** carbon-carbon double bond -the electrons in the pi orbital of the alkene are exposed to attacking reagents The pi bond is relatively... **** weak, and more polarizable compared to the sigma bonds.

Ochem lab Midterm Exams Questions and Complete Solutions.

OCHEM LAB FINAL EXAM QUESTIONS WITH VERIFIED ANSWERS { GRADED A+} solubility - like dissolves like acetanilide is polar, therefore a polar solvent dissolves it Steps for choosing a good solvent: - 1. The solvent should not chemically react with your desired compound 2. the solvent should not dissolve your compound when it is cold and should dissolve your compound when hot 3. The solvent should either dissolve impurities at all temperatures of not dissolve the impurities at al...

Biochem Lab Final