SN2 Reaction Mechanisms
This organic chemistry video tutorial provides a basic introduction into the SN2 reaction mechanism. It explains how to write the mechanism that leads to the major product of an SN2 reaction. It discusses the stereochemistry of the SN2 reaction which proceeds with inversion of configuration. It mentions substrate reactivity, nucleophilic strength in a protic solvent and in a polar aprotic solvent as well problems involving the chair conformation of an alkyl halide. The full version contains a few synthesis SN2 reaction problems.
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Organic Chemistry PDF Worksheets: www.video-tutor.net/orgo-chem.html Full-Length Exams & PDF Worksheets: www.patreon.com/MathScienceTutor/collections Access The Full 1 Hour Video on Patreon: bit.ly/3juOc8X SN1 SN2 E1 E2 - 4 Hour Test Review: bit.ly/3Bt4ghw
Speaking on behalf of all Natural Science students from the University of Zambia, your videos have been of great help to us. They've helped us understand most things that lectures couldn't thank you we appreciate you man 👍
@calebwilliamson5797
Жыл бұрын
Fellow uni student in Zambia here, I agree, his content is very helpful.
15:39 CORRECTION: Nucleophilicity decreases as going from left to the right across the periodic table.
@tdelliott-diab3860
2 жыл бұрын
yeee i went straight to the comments after seeing that
@michaelsaez7162
2 жыл бұрын
@@tdelliott-diab3860 sameee
@jacksonxiong7883
2 жыл бұрын
Ahhhh yeah that makes sense. Cause he wasn't making sense there LOL
@ChadGyabin
9 ай бұрын
Bro i started tweaking out
@eddyy2781
9 ай бұрын
Thank god for this comment i was tweaking
Thank you so much. I've used all of your IUPAC, stereochemistry, IR, NMR, and substitution/elimination videos to be able to pass my org chem 1 class. I seriously couldn't have done it without you. You're the best.
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@tyajn1
Жыл бұрын
Wot is industrial chem btw
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Right as I got out of organic lecture this was posted, ty!
What a co-incident I was Binge-Watching your videos and you upload it now...
This is the first video of yours I’m watching, but I like how you say one ion “attacks” another one, it’s entertaining to think about atoms battling it out haha
The funny thing is that right now I'm in chemistry class and this is what the lecturer is teaching.... Perfect timing! 😂
@ClipNova1
3 жыл бұрын
😂
@enormousdinosaur.3103
3 жыл бұрын
*perfectly balanced,as all things should be.*
@karistamaksoud
3 жыл бұрын
same
At 15:39 , did you mean nucleophilic strength decreases as it goes to the right?
@marcandmusicc
3 жыл бұрын
Yes he did
@TNG205
3 жыл бұрын
I also don't get it clear
@TNG205
3 жыл бұрын
@@marcandmusicc I think it should decrease
@Sheldon_J.Plankton
2 жыл бұрын
I think bascisity increases across the row which means a stronger nucleophile
@simplegirl9344
2 жыл бұрын
@@Sheldon_J.Plankton no. Nucleophilicity decrease as going from left to the right on periodic table
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@literally_ganyu
Ай бұрын
why are you learning about sn2 reaction in med school?
I am a CS undergrad and I don't have ochem(obviously). but, I did learned all these stuff while preparing for 12th standards board exams. Although I would never need these stuff, still watching cause its the organic chemistry tutor.
@viikasnayak
3 жыл бұрын
konsa college bro
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I love how you sound like you're having fun teaching these.
Thank you for the videos!! I am using them as practice for my ochem2 final
@jonahwachsberg9504
2 жыл бұрын
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@doraexplorer4372
2 жыл бұрын
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@djdavisiscool
2 жыл бұрын
Dude American students seem so much dumber that the rest of the world.
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2 жыл бұрын
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@ahmedmousa3358
2 жыл бұрын
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i am taking ochem b now good timing
Amazing teaching
I’m about to take an advanced organics class for grad school and I’m terrified.
15:21 The solvent matters a lot. H2O is a protic solvent and doesn't favour SN2 reactions. Aprotic solvent favours SN2 reactions.
Super well explained
THANK U SO MUCH
so the nucleophilic strength decreases to the right? or increases to the right?
@tdelliott-diab3860
2 жыл бұрын
nucleophilic strength decreases to the right, he made a mistake
Best man at the 🌎
how can H2O a weak nucleophile/weak base react with a primary alkyl halide that can’t undergo rearrangements in SN2??
Why would iodine, in potassium iodide, displace bromine when bromine is more nucleophilic than iodine? Thanks.
@wren8502
2 жыл бұрын
a little late sorry but the iodine has a negative charge while the bromine does not, halogens will be nucleophilic if they are charged but they will be electrophilic if they are attached to a sp3 hybridized carbon
Thank you for saving many asses getting whooped over all these years
W in the chat. Bro I now understand better. Big Up
Is NaBr not formed as well at 2:34 ?
15:34 seems backwards, but I suppose the electronegativity will depend upon the solvent/solution
@tdelliott-diab3860
2 жыл бұрын
no you're right, he made a mistake. As you go to the right in a row of the periodic table nucleophilicity decreases, for the same reason basicity decreases: the atoms are more stable with their negative charge, leading to them reacting less.
@gisellayinisa9004
2 жыл бұрын
@@tdelliott-diab3860 so, F- have stronger nucleophilicity than OH- and the weakest is NH2-?
15:34 is confusing....... 🙄
10:44 benzene variations 20:39 H2O, deprotonation
At 1:23 isn't the bromine supposed to pull away
Just commenting for the algorithm. {pls. comment so he can get more views}
Good
at 10.27 how is the structure on the left a secondary structure
@sammygibbons8960
4 ай бұрын
You wanna look at the carbon that attaches to the Bromine atom. Along with the bond to Bromine, it also bonds to two other Carbon atoms. The number of carbon atoms that a carbon is attached to is what determines whether it is primary, secondary, tertiary, etc.
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15:47
🙋♂️ hi
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now heres a question for you
How r yall learning this in college...im learning this in high school 💀💀
@nyashadhanda6926
2 ай бұрын
We also learnt the same when we were in high school but in tertiary they add more detail..more flesh
He can teach literally any subjects except organic chemistry XD
The way that my professor is trying so hard to get everything in while forgetting the fundamental element of teaching that's helpful is deconstruction. Repetition helps a lot but my god is it anoying to take upper level classes and still teach yourself from the textbook.
commenting for the algorithm
What's your name or instagram ID?
600th viewer
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a lot of this is wrong
@yasmin90s
2 жыл бұрын
really??
@yiyaochen7575
Ай бұрын
@@yasmin90snah he is lying