Resonance Structures

This organic chemistry video tutorial provides a basic introduction into drawing resonance structures. It explains how to identify the major resonance contributor as well as the minor resonance contributor based on stability. Here are a few key concepts to keep in mind: Negative charges are stabilized by electronegative atoms. Neutral resonance structures are more stable than those with separation of charges. Tertiary carbocations are more stable than secondary and primary carbocations due to the inductive effect and hyperconjugation. Positive charges on carbon atoms are not stable due to the octet rule.
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  • @TheOrganicChemistryTutor
    @TheOrganicChemistryTutor2 жыл бұрын

    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: www.patreon.com/MathScienceTutor Direct Link to The Full Video: bit.ly/3Xlj90l

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    @roqaiaahmed4102

    2 жыл бұрын

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    @alexkent9599

    2 жыл бұрын

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    Жыл бұрын

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    @LSPig2 жыл бұрын

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    @YoungTiger--JAINTR

    5 ай бұрын

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    @TheTimsx

    Ай бұрын

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    @chris47293

    12 күн бұрын

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    10 күн бұрын

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    @Worldhistory100_1

    3 жыл бұрын

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    @dhanvin4444

    3 жыл бұрын

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    2 жыл бұрын

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    @alexkent9599

    2 жыл бұрын

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    @nikkigreen74533 жыл бұрын

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    3 жыл бұрын

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    3 жыл бұрын

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    @Techience

    3 жыл бұрын

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  • @szxnv
    @szxnv9 ай бұрын

    appreciative of how much research you are doing to give these videos out for free :)

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    @englishlife58383 жыл бұрын

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    @safwanshahriar9579

    Жыл бұрын

    So your name is 'English Life' and you chose to write '...at time'?

  • @englishlife5838

    @englishlife5838

    Жыл бұрын

    @@safwanshahriar9579 I meant “came on time”. It is crazy to see how bad my grammar was at the time this video was uploaded but I am happy I made some progress 😊.

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    @safwanshahriar9579

    Жыл бұрын

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    @TheRealTaz89 Жыл бұрын

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    @vincentmudimeli44302 жыл бұрын

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  • @jamestwining8363
    @jamestwining8363 Жыл бұрын

    Thank you so much for what you do. These videos are a huge help in understanding these concepts.

  • @eminjohnson3341
    @eminjohnson33412 жыл бұрын

    Really helpful video! Lots of examples to understand whats happening!

  • @laikalaika6651
    @laikalaika6651 Жыл бұрын

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    @prachiaharwal34652 жыл бұрын

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    @xzavierreed Жыл бұрын

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    @mariam9243 жыл бұрын

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    @madisonl.607

    2 жыл бұрын

    me rn with my chem exam

  • @akshayanilkawale5970
    @akshayanilkawale59703 жыл бұрын

    Add more about resonance and number of resonating structures in given compound I hope sir you will make it soon😃 . . Thanks from India 🙏

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    @Lpslocket2 жыл бұрын

    Taking organic in 2 weeks definitely need a lot of review to make it through this.

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    @user-ve1yv4zr5u4 ай бұрын

    thank you so much for your videos , I can understand the book of chemistry but after your videos is like everything comes together and makes sense

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    @linamohammed8335 Жыл бұрын

    for real thank you so much you saved my future because the professor in school he couldn't make it as understandable as you

  • @jennie1316
    @jennie1316 Жыл бұрын

    i hate resonance its been watching hours of videos and i still dont get it

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    @doctorbigc3 ай бұрын

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    @legendarygamer39607 күн бұрын

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    @debrahm95363 жыл бұрын

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    @yamike18322 жыл бұрын

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    @rapidoinfo29493 жыл бұрын

    Upload more videos about chemistry bro and how to use integration in Physics then why to use calculus

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    @Atreyaa4992 жыл бұрын

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  • @CBH_
    @CBH_3 жыл бұрын

    I’m waiting for this.

  • @LeylaGonzalezz
    @LeylaGonzalezz2 жыл бұрын

    how can you determine if it's primary, secondary, or tertiary?

  • @chase1064

    @chase1064

    2 жыл бұрын

    A Carbon that is bonded to a single Carbon is primary. A Carbon that is bonded to two Carbons is secondary, and a carbon bonded to three is tertiary.

  • @frohan007

    @frohan007

    2 жыл бұрын

    @@chase1064 specifically the carbon with the + charge i think

  • @parultidkae4924

    @parultidkae4924

    2 жыл бұрын

    it is depended on number of Carbon atoms it's surrounded by, if it is surrounded by 1-C atom, then it's primary, if it's surrounded by 2-C atoms then it's secondary and if it's surrounded by 3-C atoms then it's tertiary. thankyou have a beautiful day

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    @deepshikhakumari17487 ай бұрын

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  • @ayushrajput6354
    @ayushrajput63543 жыл бұрын

    Please some questions on resonance

  • @darianburns5506
    @darianburns55062 жыл бұрын

    I finally start O chem and now i have to pay for videos :'( . THank you for what you have left me though

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    @GoddessRubyJade

    2 жыл бұрын

    Literally 😂 I finally need him for actual O chem and now imma just have to scavenge 😭

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    @alexkent9599

    2 жыл бұрын

    Do you guys have any account that has subscribed to his channel on Patreon? I need it but i Cant afford it :(

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    @areyes10478 ай бұрын

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    @tylersmith4518 Жыл бұрын

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  • @ericjancee2253
    @ericjancee22533 жыл бұрын

    How about the distance formula

  • @user-fm3vy5qg1c
    @user-fm3vy5qg1c3 жыл бұрын

    Big thanks ♥️

  • @chriskallah2848
    @chriskallah28482 жыл бұрын

    God Bless you, did not pay attention last lecture HGAHA

  • @noname6284
    @noname6284 Жыл бұрын

    What do you mean by common and uncommon resonance structures?

  • @butterflynerd0078
    @butterflynerd0078 Жыл бұрын

    Thank you so very much :)

  • @rachelotchere5201
    @rachelotchere52012 жыл бұрын

    Hi, please I want to know if there is a formula for calculating how many resonance structures there could be in a given organic compound?

  • @susantparida8369

    @susantparida8369

    Жыл бұрын

    I'm sorry but there isn't.

  • @poonamramawat7637
    @poonamramawat76378 ай бұрын

    Great lesson

  • @taksuyama
    @taksuyama10 ай бұрын

    Due to breaking of aromaticity, the “primary” cationic structure is the major resonance contributor for the benzylic cation

  • @4xking
    @4xking2 жыл бұрын

    Why isn’t the bottom left at 6:05 tertiary?

  • @wasteddemise2286
    @wasteddemise2286 Жыл бұрын

    Thank you!!!

  • @phoenixll9858
    @phoenixll9858 Жыл бұрын

    King boss tumas Tutor🙏🙏🙏

  • @TheThorRs
    @TheThorRs Жыл бұрын

    2:47 why is the positive charge there? isn't there 4 bonds at that corner so the formal charge is 0? I'm assuming hydrogen is there

  • @angelic8580
    @angelic8580 Жыл бұрын

    İsn't third one 3° carbin in 5.56 example?

  • @reeddaley6617
    @reeddaley6617 Жыл бұрын

    why couldn't the middle carbon gain a lone pair as part of resonance on the first molecule?

  • @specialrat1311
    @specialrat1311 Жыл бұрын

    Wait whats the difference between the primary, secondary, and tertiary?

  • @haitham1553
    @haitham1553 Жыл бұрын

    man all of our tuition money shall go to this channel and not our profs

  • @joshuaabuh3998
    @joshuaabuh39983 ай бұрын

    Thank you

  • @georgiconlon3811
    @georgiconlon38113 жыл бұрын

    @9:37 oxygen is more electron neg than sulfur, so wouldn't the major contributor be the structure where the neg charge is on the oxygen, not sulfur...?

  • @anikethpai9442

    @anikethpai9442

    3 жыл бұрын

    Electronegativity is the tendency to attract shared pair of electrons to itself. Oxygen is an acceptor, not a contributor.

  • @sumitraturi7791

    @sumitraturi7791

    3 жыл бұрын

    Sulphur has larges size

  • @winterflower4530

    @winterflower4530

    3 жыл бұрын

    I did a little more research behind this cuz I was thinking the same thing- it turns out that even though oxygen is more electronegative than sulfur, sulfur is much larger due to periodic trends. This large size allows it to spread out the negative charge better making it more STABLE. I think the key is to think which atom is more stable with the negative charge, not which atom is more likely to have the negative charge. In other words, when comparing elements in the SAME COLUMN (like O and S) look at its ability to stabilize the charge rather than just electronegativity - the greater the size of the atom, the more stable it will be with the charge. On the other hand, when looking at elements in the SAME ROW (ex. C vs O) you can just use your electronegativity trends cuz elements in the same row are roughly the same size- hope this helped :)

  • @sumitraturi7791

    @sumitraturi7791

    3 жыл бұрын

    @@winterflower4530 yes

  • @allisonacosta4591

    @allisonacosta4591

    2 жыл бұрын

    @@winterflower4530 thank you!!!

  • @BrianErwin
    @BrianErwin Жыл бұрын

    9:19 it's because 2s2 is closer to the nucleus than 2p2, and the more s-character, the more stable.. bigger atoms have more s-character

  • @aishikiray5627

    @aishikiray5627

    5 ай бұрын

    hi, i know i'm late, but i really hope you see this. 'bigger atoms have more s-character'- is that because sulphur has 3s subshell while oxygen doesn't?

  • @user-xo9xu9ur8v
    @user-xo9xu9ur8v8 ай бұрын

    9:35 can it be explained as fajan'd rule?

  • @lala_sui_
    @lala_sui_ Жыл бұрын

    thankyouuuuu omg

  • @jasc6178
    @jasc61783 жыл бұрын

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  • @pearl250
    @pearl250 Жыл бұрын

    May God bless you

  • @danpireocean4802
    @danpireocean48023 жыл бұрын

    Nice

  • @cherissadover912
    @cherissadover9123 жыл бұрын

    How do you determine which is primary, secondary, or tertiary?

  • @johannes7935

    @johannes7935

    3 жыл бұрын

    i don't understand it either. Hope someone can help ^^

  • @sanafakih3541

    @sanafakih3541

    3 жыл бұрын

    count the number of substituents hung on the carbocation. 1 carbocations are bounded to one carbon, secondary to 2 and tertiary to 3

  • @johannes7935

    @johannes7935

    3 жыл бұрын

    @@sanafakih3541 thank you

  • @hikarisan422
    @hikarisan4222 жыл бұрын

    Is it possible for an element in a resonance structure/form to have missing electrons but the rest of the elements have complete octets? I'm really really confused right now.

  • @samuel34676

    @samuel34676

    2 жыл бұрын

    I believe the carbon can be short

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    @gustavocervantes44522 жыл бұрын

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    @hradayyadav8137 Жыл бұрын

    Why don't you teach on smart board, tutor ? 🙏🏻 Because that would be more interacting 🌟

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    @MohamedAshraf-uf9zc3 ай бұрын

    Can any one know what set up he use ?

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    @alex5297Ай бұрын

    ACS final is tomorrow and i literally forgot how to do stuff, jesus

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    @growthstateofmind Жыл бұрын

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    @rassimsimou15947 ай бұрын

    Good

  • @user-sk2du2gn3f
    @user-sk2du2gn3f2 жыл бұрын

    i really don't understand 1°,2°,3°allelic carbocation😕

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    @chandrakanth8483 жыл бұрын

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  • @justsomenightowl7220
    @justsomenightowl72206 ай бұрын

    4:28 why doesn't the carbocation have a lone pair? i thought if there is not enough bonds, you would have a lone pair instead.

  • @paysonkeown2960

    @paysonkeown2960

    5 ай бұрын

    If it had a lone pair, it would have a negative formal charge.

  • @michaeldonatelli7166
    @michaeldonatelli71662 жыл бұрын

    wish me luck on my chem exam tomorrow

  • @adansilva6851

    @adansilva6851

    2 жыл бұрын

    Hope it went well, mine is tomorrow

  • @adansilva6851

    @adansilva6851

    2 жыл бұрын

    @Ash hope it went well!!!

  • @cja12345
    @cja12345 Жыл бұрын

    for 6:06 I got 4 resonance structures instead of 3, what did I do wrong😭

  • @fmgtruefriend1335

    @fmgtruefriend1335

    Жыл бұрын

    Identical structure

  • @Sush-ut4vj
    @Sush-ut4vj7 ай бұрын

    Blue colour is not brightly visible on screen

  • @NoorNoor-pf5id
    @NoorNoor-pf5id Жыл бұрын

    I don't understand the last exampleeeeeeeeee

  • @amycool64
    @amycool642 жыл бұрын

    I don’t understand how the positive charges are jumping

  • @joharahk4849

    @joharahk4849

    2 жыл бұрын

    The positive charges are jumping because as shown in the first example, the pi bond is becoming a single bond, basically “losing” a bond, giving it a positive charge since they’re essentially opposite (when a bond is lost it’s positive, when a bond is gained it’s negative). Hope i explained that accurately I'm learning too :)

  • @amycool64

    @amycool64

    2 жыл бұрын

    @@joharahk4849 thank you!!!

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    @joshuabanda62043 жыл бұрын

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    @eman4159 Жыл бұрын

    برضو ما فهمتش😔

  • @cja12345
    @cja12345 Жыл бұрын

    I hate organic chemistry and I'm just like 2 weeks into the class

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    @tegdz3 жыл бұрын

    Noice

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    @TheEmefa-vv2rq3 жыл бұрын

    Kindly stop deleting old videos pleasee 🙏🏾🥺

  • @TheOrganicChemistryTutor

    @TheOrganicChemistryTutor

    3 жыл бұрын

    I've added more content to it. The full version was 31 minutes but now it's over an hour.

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    @TheEmefa-vv2rq

    3 жыл бұрын

    @@TheOrganicChemistryTutor ok God bless you for helping us Some of us couldn’t join the membership because it’s not available in our country

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    @rossmontgomery8302

    3 жыл бұрын

    @@TheEmefa-vv2rq check his patreon as it may be available there

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    @alexkent9599

    2 жыл бұрын

    Do you guys have any account that has subscribed to his channel on Patreon? I need it but i Cant afford it :(

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    @elizabethapushkin55968 ай бұрын

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    @adamtrombley55294 ай бұрын

    Wtf are you waffling about