Free O-Chem Lectures for MCAT, DAT, PCAT, and GRE prep -- Video 10: Addition & Radical Reactions.mov

The purpose of this video is to help second-year organic chemistry students review the concepts and questions that most frequently appear on standardized entrance exams, like the MCAT, DAT, PCAT, and GRE. In this video I'll review addition and radical reactions: adding HX, H2O, ROH, and X2 to alkenes and alkynes, hydroboration/oxidation reactions with alkenes and alkynes, radical halogenations of alkanes, radical halogenations of alkenes with X2 and NBS, adding and adding HX to ethers. I'll also help you to be able to spot carbocation rearrangements and identify kinetic and thermodynamic products. --Dr. Mike Christiansen from Utah State University.

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[jemermy mayer]

I did some research, no need for an answer, i should knew that. Thank you anyway for your great work.

[Mike Christiansen]

Thanks. Good question.  Unfortunately, I originally made these videos for the students I taught face-to-face at Utah State University. I will, this summer, be producing and posting a video here on YouTube that has all the answers to my lecture questions. I apologize for not doing so sooner, but my time is so limited, and will continue to be so until this semester ends. Best of luck with your studies!

[jemermy mayer]

Hi, aren`t we using the cis trans notation when we have a double bond? Thank you

[Mike Christiansen]

Cis/trans naming is used in two different circumstances: (1) when dealing with cyclic compounds that have substituents coming off of them (either cis or trans to each other); and: (2) to differentiate between cis and trans alkenes. In the latter case, cis and trans can only be used for disubstituted alkenes. If you have tri- or tetra-substituted alkenes, the cis/trans system does not work, In those cases, you have to use the E/Z system. Please let me know if you have any further questions.

[Niko Pogorevcnik]

Hi, great vids. Is there any link on the web that I could find the answers to your lecture problems ?