6.11 Evidence for the Mechanism of Electrophilic Additions: Carbocation Rearrangements
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Blue Bottle, Red and Blue Bottle Color changes are caused by reactions of oxygen in the air with chemicals in a solution. The colors fade over time, but can be regenerated by shaking the flask containing the solution.
Kinetics |
Mechanisms of Reactions |
Oxidation / Reduction
Induction by Iron(II) of the Oxidation of Iodide by Dichromate Acidic aqueous solutions containing dichromate and iodide ions are mixed with no reaction. The addition of a solution of iron(II) ion induces the rapid formation of brown triiodide ion.
Synthesis Explorer: A Chemical Reaction Tutorial System for Organic Synthesis Design and Mechanism PredictionJonathan H. Chen and Pierre Baldi Synthesis Explorer is an interactive tutorial system for organic chemistry that enables students to learn chemical reactions in ways previously unrealized. Pedagogical experiments in undergraduate classes at UC Irvine indicate that the system can improve average student examination performance by ~10%. Chen, Jonathan H.; Baldi, Pierre. J. Chem. Educ.2008, 85, 1699.
Mechanisms of Reactions |
Reactions |
Synthesis
Saying What You Mean: Teaching Mechanisms in Organic ChemistryJ. Brent Friesen Ways to maintain clarity and consistency when teaching reaction mechanisms in organic chemistry include the use of balanced reaction equations, avoiding the use of shortcut notations, including key electrons and bonds in structural representations, and distinguishing between covalent and ionic bonds. Friesen, J. Brent. J. Chem. Educ.2008, 85, 1515.
Learning Theories |
Mechanisms of Reactions |
Reactions
Teaching Reaction Mechanisms Using the Curved Arrow Neglect (CAN) MethodJohn H. Penn and Abdulrahman G. Al-Shammari A new method for teaching organic reaction mechanisms that concentrates on intermediate reaction structures and can be used in a computer-assisted instruction environment is found to significantly enhance student performance in drawing traditional reaction mechanisms. Penn, John H.; Al-Shammari, Abdulrahman G. J. Chem. Educ.2008, 85, 1291.
ChemPaths 104 W Feb 23John W. Moore Today in Chem 104:
* Lecture: Mechanisms of Reactions
* Reading:
Kotz, Ch. 15, Sec. 5-6
Moore, Ch. 13, Sec. 6-76
* Homework #5 due by 11:55 pm F Feb 25
* Excel Assignment due in first discussion section this week
* Quiz 4 in second discussion section this week
Mechanisms of Reactions
ChemPaths 104 F Feb 25John W. Moore Today in Chem 104:
* Lecture: Problem-Solving Session
* No assigned reading for today.
* Homework #5 due by 11:55 pm Today!
* Biomolecules Tutorial Enzymes (including Enzymes Quiz)
is due Wed. Mar. 2, at 11:55 pm.
Mechanisms of Reactions
Reaction MechanismsEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
