Chad -- I don't often comment but what you've done here deserves praise. To offer this (for free, I might add) is a work of utmost selflessness. I freakin' admire you for it, man! Keep it up
I have to say that, I literally passed my previous orgo. chem. because of your videos. I learned nothing from my professor. I'm studying through your channel this semester too. Appreciate your efforts. You're the best!
You're amazing! You explain all these concepts so well! I'm passing organic chemistry 2 because of you : ) I was really apprehensive about taking it in the summer but everything is going really good so far ; )
hey chad, Since you describes the nitrogen of the amide as being electron donating so long as it is the atom directly bonded to the benzene ring, could we use the same logic for the oxygen of an ester? If the oxygen of an ester were directly bonded to the benzene ring, it would be an electron donating group, activating, and therefore an ortho/para director, am I right on this? Thank you
which among the following is the most deactivating group aromatic substitution reaction (Please rank the alternatives from strongest to weakest)? A. -NR3 B. -SO3H C. -NO2 D. -CN.
Do electron withdrawing groups destabilize the benzenes in EAS as a result of withdrawing the electron density (and therefore making the conj base of a phenol, for instance, more stable and therefore worse as a nucleophile)? Or is it because the electron withdrawing effects destabilize the carbocation intermediate?
Both!!! Very nice reasoning on both parts. Electron withdrawing groups lower the energy of electrons making 😊nucleophiles more stable and less reactive. But the sigma complex, i.e. the carbocation intermediate in EAS reactions, which is already electron-deficient, is destabilized by these electron-withdrawing groups. Essentially, exactly what you said!
Chad --
I don't often comment but what you've done here deserves praise. To offer this (for free, I might add) is a work of utmost selflessness. I freakin' admire you for it, man! Keep it up
Glad you found the channel, Nick - Happy Studying!
This channel is top tier
Thank you, Cassie!
I second this comment
I have to say that, I literally passed my previous orgo. chem. because of your videos. I learned nothing from my professor. I'm studying through your channel this semester too. Appreciate your efforts. You're the best!
Glad the channel is helping you so much, aya alsalih - Hope you do well in your studies!
Chad, you are a lifesaver my guy! Thank you, thank you, thank you for your guidance through all these concepts. Cannot thank you enough!
Glad the channel is helping so much!
You're the best! You're explaining every single detail clearly! Keep it going
Thanks, Nihad!
I got the highest grade in my class, on my midterm because of these incredible videos! I appreciate these free resources, you're the best. :)
Kudos, Emily - Good for you and all your hard work paying off!
This channel is top tier! Thank you for the efforts you put in making O. Chem understandable.
You're welcome and Thank You!
I'm learning this right now, thank you so much for the tips! Definitely understand this more!
Glad it was helpful!
How could I thank you 😭💛💛 I have really understood every detail that I've needed 💙✨️
Great to hear!
WIsh I found you sooner, got an exam tomorrow and this is all really scary stuff, but you've helped a lot! God bless!
Better late than never - hope you do well on your exam!
You're amazing! You explain all these concepts so well! I'm passing organic chemistry 2 because of you : )
I was really apprehensive about taking it in the summer but everything is going really good so far ; )
Glad the channel is helping you - Happy Studying!
hey chad,
Since you describes the nitrogen of the amide as being electron donating so long as it is the atom directly bonded to the benzene ring, could we use the same logic for the oxygen of an ester? If the oxygen of an ester were directly bonded to the benzene ring, it would be an electron donating group, activating, and therefore an ortho/para director, am I right on this? Thank you
SO HELPFUL AND CLEAR!!
Excellent!
12:31 can you explain more specifically why the attack of E+ makes the metha carbon becomes more positive please. thank you a lot
you are saving my life right now in ochem 2.
Glad the channel is helping you!
which among the following is the most deactivating group aromatic substitution reaction (Please rank the alternatives from strongest to weakest)? A. -NR3 B. -SO3H C. -NO2 D. -CN.
Instead of nitration can I use Zn/Hg with HCL to remove the ketone?
u saved me for this orgo test next week i am literally crying with joy cuz all of this wasnt making sense.
Glad the channel is helping you!
Weirdly got this concept delivered before the five EAS types
Hope you found it helpful Luke! :)
Thank you, this was a great lesson
You're welcome
Thank You for making it so easy!
You're welcome.
Do electron withdrawing groups destabilize the benzenes in EAS as a result of withdrawing the electron density (and therefore making the conj base of a phenol, for instance, more stable and therefore worse as a nucleophile)? Or is it because the electron withdrawing effects destabilize the carbocation intermediate?
Both!!! Very nice reasoning on both parts. Electron withdrawing groups lower the energy of electrons making 😊nucleophiles more stable and less reactive. But the sigma complex, i.e. the carbocation intermediate in EAS reactions, which is already electron-deficient, is destabilized by these electron-withdrawing groups. Essentially, exactly what you said!
Appreciate the quick response and thanks.
Your videos are actually going to make my career, I've seen basically all of them@@ChadsPrep
That's awesome and I know you are going to be an asset in any career you pursue :)
Amazing job! This makes sense to me know
Glad to hear it, Soso Rob!
Excellent Tutor!
Thank you.
Thank you, Mr.Chad.
You're welcome, AK!
thank youuuuuuuu you made that clear ♥✨🎉
Youuuuuuu're Welcome!
amazing
Thank you
Thank you so much sir!
You're welcome!
Thank you so much!
You're welcome, Hailey!
Thanks a lot
Most welcome, Laila.
isn't phenol supposed to have 5 resonance structures?
Yes, but not all of them are equally as stable. The lower energy ones are preferred for EAS.
When did Johnny is interested in chem 🌝
Chad's the name - welcome to the channel!
I love uuuuuuu
Glad the channel is helping you.