Electron Pushing Arrows in Resonance and Organic Mechanisms

Are you struggling with organic chemistry? Download my free ebook "10 Secrets To Acing Organic Chemistry" here: leah4sci.com/or...
leah4sci.com/or... Presents Electron Arrow Pushing for Resonance and Mechanisms
Organic chemistry is all about UNDERSTANDING how reactions happen, and electron pushing arrows SHOWS how electrons react, and what happens as a result. If you understand this concept, you are well on your way to understanding Organic Mechanisms.
Many students struggle with organic chemistry because they try to memorize rather than understand the concepts and mechanisms. My goal is to break down the concepts so that you can understand and apply them to your homework, quizzes and exams
If you enjoyed this video please show your appreciation by giving it a thumbs up; and subscribe to my channel for quick access to all new tutorial uploads
I will be creating quizzes to help you study the concepts in this quiz. These will be available on my website shortly
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Please post questions/comments below or contact me via my website:
leah4sci.com/co...

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She literally explains topics that I've been having a hard time since the beginning of the semester in less than 15 minutes. THANK YOU!!!

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Ericah, Great things Happen When people Meet. The Challenges you face have solutions in books you have not read and people you have not met.

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@@ruteshmbatemba4466 that's beautiful and deep °-°

[@Leah4sci]

Yay, so glad I could help!

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You are the woman! Thank you so much for these videos! My professor talks really fast due to the fact that we had many snow closings and everyone disrupts her with off topic chats. So it was hard to hear her. But you broke it down even further. Thank you so much! I didn't get resonance until now that I see it. The electrons on the most negative atom will move to the closest positive carbon.

[@Leah4sci]

I'm so glad I was able to help clear the gaps, especially when your teacher has to try to get so much information into a short period of time.

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[@Leah4sci]

You're welcome!

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i think all professors need to take lessons from you.. you are so direct to the point , less complicated and only teaches the things we need to know! you are awesome. more power :)

[@Leah4sci]

Thanks so much, I appreciate that!

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I am that student who is in Organic Chemistry II and still don't know how to push electrons.

[@Leah4sci]

That's not good! Did the video help?

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Leah4sci yup now I know how to

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Thank you for sharing this! This is helpful to me especially we're self study right now because of the pandemic.

[@Leah4sci]

Glad it was helpful!

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She made me pass my exam

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i hope i do too:(

[@Leah4sci]

happy to help!

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[@Leah4sci]

So glad I could help!

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[@Leah4sci]

Thanks so much

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Simultaneously concise and yet so detailed at the same time. Very conducive to to my learning style. Awww yeeeeeahhhhh

[@Leah4sci]

Glad you liked it!

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[@Leah4sci]

So happy to help!

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Orgo 2 and to be honest i've been struggling, but your videos are definitely helping alot so thanks again :) I have my second midterm in a couple weeks so fingers crossed for that one :)

[@Leah4sci]

You're so very welcome!

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Im crying that I havent got this for 3 weeks then I found her. Thank you...

[@Leah4sci]

Tears of joy?

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Can you tell how can we easily understand organic reactions without memorizing them ? Is it important to learn all the tempertures and reagents in a organic reaction? I will feel happy if you help me with this.

[@Leah4sci]

For help with this and more, I recommend joining the organic chemistry study hall. Full details: leah4sci.com/join

[@papamuu7956]

To say you are a genius is an understatement. A whole term lecture summarised in 15mins. Thanks so much for your video. So what's the titles of other videos for organic chemistry?

[@Leah4sci]

Aww thanks so much for your kind words!

[@VOONQIAOXIANAET]

I am struggling with all the arrows, the electrons & etc., until I met you! Your video is so helpful for me, and now I'm able to at least carry out the mechanism without too much memorizing!

[@Leah4sci]

Glad I could help understand! That is the true key to memorizing, understanding it so well that you know what to do what ever is thrown at you.

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[@Leah4sci]

Happy to clear it up for you!

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[@Leah4sci]

Glad I could help!

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[@Leah4sci]

You're very welcome!

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Glad I could help

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[@Leah4sci]

Yay, so happy to help!

[@lenapop1]

For a second I thought element X was reference for Neon, but Neon need 8 electrons to fulfill its octet, where did you get X from and why does it have 6 electrons initially? I know you said its a Halogen but I'm really confused??? Where? Other than that amazing video!

[@Leah4sci]

You're welcome! For help with this and more, I recommend joining the organic chemistry study hall. Full details: leah4sci.com/join

[@jasminaahmetovic9582]

regarding the mechanism arrows continued 12:54, why didn't you add the halogen to the positively charged carbon..? I thought that the positive charge carbon will be attracted to the negative halogen.? please explain ):

[@Leah4sci]

Yes, you are right. That is the correct continuation of the hydrohalogenation reaction mechanism. But as I say at 13:05: “I will discuss the mechanism of this reaction in greater detail in an upcoming video.” You can find that video by visiting leah4sci.com/hydrohalogenation Thanks for commenting!

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Thanks!

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[@Leah4sci]

Thank you!

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[@Leah4sci]

You're very welcome!

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I will definitely be watching more of your videos! You explain all of this is a way I finally understand! I wish my OChem professor could watch this and take notes! Thank you so much!!!

[@Leah4sci]

You're very welcome, glad to help!

[@p.tennentslack5392]

In your example at the beginning of this video, am I correct that this is a coordinate bond since atom A contributes both electrons?

[@Leah4sci]

That is correct!

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[@Leah4sci]

Thanks!

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[@Leah4sci]

You are welcome!

[@owenkamel2958]

your video cut out at 8:46 when you were giving examples of electrophile

[@Leah4sci]

Yes, I apologize. It’s not a very smooth transition in the video. Suffice it to say that an electrophile is a positive or partially positive species, like “a proton or the positive end of a nitronium or hydronium ion”.

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Very very useful! Whets my appetite for rx mechanisms!

[@Leah4sci]

Glad to help!

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[@Leah4sci]

You're welcome!

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Mam This was really helpful Thank You!!!!

[@Leah4sci]

You're welcome! Glad it was helpful!

[@rsanthi8681]

But i have to see this video couple of times.. cause I hate chemistry

[@Leah4sci]

Watch it as often as you need!

[@916213]

At 12:07 does it matter which carbon gets the hydrogen?

[@Leah4sci]

Yes and no, yes if following Markovnikov’s rule for an asymmetrical starting molecule, no if there is symmetry so that the 2 sp2 carbons are exactly the same

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Thanks mam for this helpful video

[@Leah4sci]

You are very welcome 😊

[@ninacollins7088]

On the example w/5 carbon chain/ring w/O as the substituent, How wld I kno to push the electrons from the original double bond to a lone pair? I wldve thought it wld simply become a double bond further around the chain/ring... Help me someone 😟

[@Leah4sci]

At which specific point in the video?

[@shix1Resolve]

im thinking your pace needs to go faster, as long as you speak clearly it should be fine i think. also hoping you can do more complicated examples

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[@Leah4sci]

lol, you're one of the few people that tell me to go faster, I usually get slow down. :) You can go to settings and change the speed to suit your needs.

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Because of you I won chemistry.

[@Leah4sci]

Glad it helped!

[@emmanuelletoussaint287]

Hi! Currently taking organic chemistry. For the second example of cyclopentane, could you add the double bond in the structure instead of a lone pair?

[@Leah4sci]

No, we wouldn't be able to do that because the next door carbon would be exceeding the octet rule with five pairs of bonding electrons - 1 single bond and 1 double bond to carbons, as well as 2 single bonds to hydrogens.

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Thanks?

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Is this are curly arrow rules mam?????

[@Leah4sci]

yes

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Excited to be a part of it!

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Thanks!

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[@Leah4sci]

lol, thanks for that!

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The video ws really good it really helped me understanding resonance concepts.tysm

[@Leah4sci]

You're welcome! Glad to help! :)

[@fionachiversshirreffs6394]

thanks so much Leah, I really needed someone to break that down electron by electron. as I suspected understanding the mechanism was the key.

[@Leah4sci]

You're so welcome!

[@shivaprasad6054]

in the second example why did the electron move from oxygen to the carbon atom although oxygen is more electronegative?

[@Leah4sci]

At which time stamp?

[@shivaprasad6054]

at 5:35

[@Leah4sci]

Review the resonance video series: leah4sci.com/resonance-structures-in-organic-chemistry/

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I cannot download the eBook, is it no longer there? Thank you for this wonderful and informational video!

[@Leah4sci]

Yes, it's still there: orgosecrets.com

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She teaches better than my organic chem Professor. Thank you KZbin

[@Leah4sci]

You're very welcome!

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Your right ear is very welcome :)

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Glad you enjoy it!

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Want more lectures on pure resonance please needed thanku for the concepts

[@Leah4sci]

For help with this and more, I recommend joining the organic chemistry study hall. Full details: leah4sci.com/join

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A great one .. thank you

[@Leah4sci]

You're welcome!

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I go to UBC (University of British Columbia), in Canada. And I'm currently studying science!

[@Leah4sci]

Thanks for commenting!

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Glad you like it!

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Glad the video helped! You're welcome! All the best!

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Yay! I'm so glad it helped you!

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[@Leah4sci]

Glad you think so!

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[@Leah4sci]

You're so very welcome!

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3:21 formal charges

[@Leah4sci]

Is that a question?

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what is the reason in which the alkene compound can act as nucleophile?

[@Leah4sci]

See video 1 in the alkene reaction series leah4sci.com/alkene-reactions/

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Are there some practice questions on your website???

[@Leah4sci]

You can find that and more using my syllabus guide: leah4sci.com/syllabus

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[@Leah4sci]

Glad to hear it!

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Excellent organic mechanism description...I'm so ready for Ochem II. I will definitely continue to watch your videos.

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Jan 6, 2014. towards the end of ochem I we began discussing mechanism and I sort of didn't do too hot but managed to get a B for the class. After watching your video, I'm kicking myself because its basically following and accounting for electrons. Your idea to do brief FC checks to stay on course is great.

[@Leah4sci]

So glad I was able to help you!

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Obviously this is WAY late, but a B in orgo is like an A in any other course. Be proud!

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ty

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a ninja warrior! lol! Thanks! :)

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Glad you enjoyed it

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Thank you madam

[@Leah4sci]

You're welcome

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Your science is perfect, but the pedagogy is horrible. In order to maximize the number of people you try to teach you need to slow way down even if it means breaking this up into a couple of videos. Just constructive criticism, you seem to care about teaching and the world definitely needs more of them.

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***** I disagree. I think the pace is just fine. Maybe even a bit slow.

[@Leah4sci]

Thank you for your constructive criticism, I appreciate it, and as I've learned this craft I've definitely tried to break things up more.

[@Leah4sci]

lol, to each their own, thank you so much for your support!

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[@Leah4sci]

Awesome! So glad you like it!

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Thank You!

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You're very welcome!

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You're very welcome!

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You're welcome!

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thanks!

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very very useful .. thank you

[@Leah4sci]

You're so welcome, I'm happy to help!

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will you be making future videos on mechanisms?

[@Leah4sci]

Sure, check this list: kzbin.info/aero/PLaySzQJTCO1nIxREoUa_KT8FP0tUAxckG

[@serene9532]

11:10 why are pi-bonds "more negative"? 🤔

[@serene9532]

You say it is because "They go above and below the molecule". But how does that make them more negative?

[@Leah4sci]

Think of it this way: The electrons in a regular bond are stuck between 2 atoms and less likely to be distracted by what's around them. But electrons in a pi bond are hovering above and below and more easily influenced by their environment thus more likely to attack positives within reach

[@serene9532]

@@Leah4sci oh my. thanks for the reply haha! funny to see my old comments, I remember struggling with chem. I'm doing master's dissertation on tribal nutrition now :)

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மிக்க நன்றி

[@Leah4sci]

You're very welcome!

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Thank you!

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:)

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Love the video! thank you for clearing the whole arrow pushing up, you saved me for my midterm! Keep up the great work :)

[@Leah4sci]

So glad I was able to clear things up!

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Wow, thankyou! I have a University Midterm tomorrow!

[@Leah4sci]

You're so welcome, happy I could help!

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You're welcome, so happy I could help!

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Glad you liked it!

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You're welcome, I'm glad I could help!

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Thank you!

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Glad you like it!

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Glad you liked it!

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You're so welcome!