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@catarinavagari89653 жыл бұрын
I think confusion with the last example comes from not being sure how to deal with a ring. This would be one way to go about it: 1) Start at a particular carbon on a ring and follow a path (i.e. clockwise) all the way around that returns you to your starting point. 2) Begin at the same carbon and follow a path all the way around in the opposite direction (i.e. counterclockwise). 3) If the paths in both directions were the same, your starting carbon would NOT be a chiral center because the ring itself would be symmetrical (so therefore there aren't 4 different groups attached). If the paths differed at some point (for example, say that the ring has an OH group and you encounter that group sooner as you move clockwise around the ring than if you moved counterclockwise) then your starting carbon would be a chiral center. It's hard to explain it without a demonstration, but hopefully that helps anyone that was also confused!
@ItzStarzify3 жыл бұрын
it helps, thanks
@purplekyle03233 жыл бұрын
This honestly helped out a lot, thank you so much!
@catarinavagari89653 жыл бұрын
@@purplekyle0323 No problem, glad it helped!
@cairndouglas40403 жыл бұрын
i love you
@someone-yj2im3 жыл бұрын
@@catarinavagari8965 Thank you! So In the first chirality center on the left, the one attached to an isopropyl group, is it chiral because going clockwise a ring was found sooner than counterclockwise right?
@longdongmc.johnson2 жыл бұрын
My first year in college here. I could not afford the book i needed for this kind of stuff since it was criminally expensive. The book was would have contained a code which would grant me acces to an online portal where aditional information and practice exersices are located. I did not have any of this. Your videos are the sole reason im passing the year. Just wanted to let you know how thankfull i am.
@theassignmenthack2939 Жыл бұрын
Aww hope you did well
@adoniskhan60974 жыл бұрын
Oh my God I've been trying to figure it out for hours... 4 different groups... DIFFERENT.... the book/cengage/professor/video no one put an emphasis on it!
@zeinabghamlouch99204 жыл бұрын
DUDE THANK U I'VE BEEN STUCK ON THIS FOR HOURS TOOO!!!! 4 D I F F E R E N T GROUPS DIFFERENT IS THE KEY WORD
@dionel13883 жыл бұрын
Yeah I got confused with this I'm thankful to that person who saw me struggling here in yt and sent me this link. Thanks to you!
@isaiahwoodard40283 жыл бұрын
Bro I feel you on a different level haha
@Fraidoon3 жыл бұрын
cengage explanations are really bad for beginners. Dont know why the college make us pay hundreds of dollars on textbooks just to learn better explanation from our saviour, Julio, The Organic Chemistry Tutor.
@exowarlock90313 жыл бұрын
@@Fraidoon seriously though, my teacher and textbook are absolutely useless. Idk why I'm even paying for the class and college when I can learn so much better right here.
@smaiiz14494 жыл бұрын
i dont get how when i teach somebody shit ill explain every detail you need to know but when a professional professor teaches they dont explain important crucial shit to solve problems. Like i literally had no idea there was an invisible hydrogen atom which is why i kept thinking how is there four groups when i only see three and are given three. its not that hard for a teacher to mention something like that but they still seem to fail to do it. this dude is honestly my main professor this semester its sad
@wxr29604 жыл бұрын
A carbon does need to satisfy its valency, thus the hydrogens. In the bond line structures, h is usually omitted
@smaiiz14673 жыл бұрын
Frank Franky stfu
@smaiiz14673 жыл бұрын
@Wayne Smiles yeah honestly I wouldn’t doubt it. Luckily I passed with a C+ cuz I got an absolutely baller score on the final by studying my balls off
@josephwoo693 жыл бұрын
how the hell are you this far into ochem without knowing how hydrogens work in molecules?
@phuongbui75813 жыл бұрын
Bruh. For those people who keep saying how can he go this far on ochem without knowing how hydrogen work. My prof also say no shit about that until someone ask where is the hydrogen he’s talking about and he just say oh, you can just draw it in if you want to like wtf. I don’t understand why I can just draw it in until now after this video. Not everyone is lucky having a well explanation prof. That’s why we’re here for the video so stfu
@virginiaparra97494 жыл бұрын
OMFG I finally understand! Thank you! I thought it had to be different ATOMS but it’s more like different GROUPS! Thank you 🙏🏼
@vcj80963 жыл бұрын
You are saving lives your way. My goodness! Thank you
@psicologiaintercontinental6694 жыл бұрын
I've been learning so so much with your videos! It really helps out more than many books! thanks loads
@user-ty4zq5zn8x4 жыл бұрын
Thanks a lot!🌸However,the last example is a big challenge😩😭😭
@ganyu_literally4 ай бұрын
Try the cholesterol molecule 😭
@dhanushs78082 жыл бұрын
Seriously the best explantion ever heard about chirality and chiral molecules with such good explanation with examples
@SnapSphere3602 жыл бұрын
👌🏿sweet. My organic chemistry teacher teaches @ 60mph. Here I can learn everything with peace!!!
@diabloytgamer41975 жыл бұрын
Explain last example properly
@PunmasterSTP3 жыл бұрын
I'm loving this content! I also really appreciate how you work through so many examples in each of your videos. Keep it up, you are doing KZfaq and ochem students everywhere a great service!
@sierrawolf6172 Жыл бұрын
Zuko is teaching me Organic Chemistry!
@jeffrey4105 Жыл бұрын
LOOOL
@dtaylor42003 жыл бұрын
The lightbulb above my head just turned on. Thank you.
@GwenDoll Жыл бұрын
how is the left side and the right side of the cyclopentane the same??
@andreaencarnacion16464 жыл бұрын
omg wish you were my professor!! i would had failed chem without you in youtube
@VMGChannel5 жыл бұрын
Keep making such great videos! Really helpful!
@bamikuma76844 жыл бұрын
Wow, this is very informational and easy to understand. Thank you!
@user-ih1hg9fb9s3 жыл бұрын
Finally, I can find how many chiral centers are in bond. Thanks for teaching us
@AhmadAli-mm5ff4 жыл бұрын
explained the thing just in a moment. Thanks a lot sir.
@daisylee39252 жыл бұрын
Wow, you just saved one Korean student. So easy to understand!!!!!!
@tatianalee55223 жыл бұрын
wow thanks for the explanation!! actually my finals in a few hours lol
@theshinyhunter18003 жыл бұрын
3:24 we can just say it's achiral by the plain of symmetry
@nearobserver295 жыл бұрын
did not teach well for the last example
@nati20545 жыл бұрын
@Chemist Me naw he was right it does have 7 chiral centers
@OkaBridge5 жыл бұрын
Isn't that 5th one still a chiral center? Sure two of it's immediate connections are CH2, but aren't they technically different functional groups since they are attached to the ring section differently?
@osamaesmael12605 жыл бұрын
@@fable6506 fifth carbon is a chiral center because the carbon atom is connected to different functional groups, yeah sure it's directly attached to two ch2 groups but that's called a " tie " watch khan academy stereochemistry videos to understand.
@dionel13883 жыл бұрын
@@OkaBridge Thanks for this I was almost confused when he said that the 5th carbon was not a chiral center. Greatly appreciate it!
@someone-yj2im3 жыл бұрын
@@dionel1388 What do you mean? I don't get where he did a mistake
@aang75055 жыл бұрын
Easy trick guys...first just look for carbons with three separate bonds
@DragonWarrior15243 жыл бұрын
bro you just blew my mind thx so much!
@TalhaFaisal13 жыл бұрын
This doesn't work all the time, but it is a quick trick.
@DragonWarrior15243 жыл бұрын
@@TalhaFaisal1 ya it fails if there are identical compounds like the dimethly group up top, but still seems real neat
@carmin.4 жыл бұрын
Thank you so much! This video is so explanatory. Absolutely Phenomenal :)
@prakashpalanisamy35664 жыл бұрын
Very useful for easy learning thank you so much
@tamilbiology50783 жыл бұрын
Are u from tamilnadu??
@nicholascastellano5106 Жыл бұрын
My textbook did such a crap job explaining this. I'm sitting there seeing an indicated chiral center that's attached to a hydrogen, a ch2 a ch2 and an hydroxide trying to figure out how ch2 and ch2 are different groups. It failed to explain that everything else attached to each carbon constitutes as a group. Thank you so much!!!
@Beinghomoeopathhhh2 жыл бұрын
It became very easy after you explained🤩🤩 Thank you ✨💯
@slouchingpanda950311 ай бұрын
I still don't get it
@harshdarji11223 жыл бұрын
At 4:22 How are they the same? Its not symmetric. So it has to be counted as 2 diff grps right?
@Majesticman473 жыл бұрын
Not sure if you still need an answer but the reason is that, if you were to follow both sides of the ring at the same time, you’d get through 2 and a half carbons on each side (meeting in the middle of the bond). Although he drew the lines to be different lengths, they each represent a bond of equal length. So, although it looks like there’s 3 bonds on one side and 2 bonds on the other of the pentagon, it’s actually 2.5 on each side.
@user-iv2ms2zq6c2 жыл бұрын
@@Majesticman47 thank you!
@admireurgod4 жыл бұрын
Great video! Helped to clear up the confusion I had before. You're the best!
@joycetam32393 жыл бұрын
you've got a really nice voice mister. thanks for the vid
@abdullahiabdulkareem48442 жыл бұрын
THE ORGANIC CHEMISTRY TUTOR ❤❤❤
@antoniomele4366 жыл бұрын
Thank you!
@yurr1278 Жыл бұрын
This was a lifesaver
@andreaencarnacion16464 жыл бұрын
can u explain again the last example plz
@OrcjaEnglish5 ай бұрын
It was really very helpful.
@akurathivenkatalakshmi7783 жыл бұрын
Your explanation is nice
@elodie8378 Жыл бұрын
Thanks for your video. I just have a question. Can molecules with benzene ring in them have chiral centres in the benzene ring? Like at the point where there is a branch coming off the ring?
@iForgot1604 жыл бұрын
explanations weren’t great
@claireworld_3 жыл бұрын
what about the cyclopentane. I don’g agree that there are equals
@Cjaz845 жыл бұрын
Why are we finding chiral centers or r or s configs? I am missing the context of why.
@rasibnadeem85195 жыл бұрын
To find the number of optical isomers
@kejadianwahyu58265 жыл бұрын
cause the fkin exam want us to do it
@morko92715 жыл бұрын
@@kejadianwahyu5826 LMAOOOOO
@zeinabghamlouch99204 жыл бұрын
@@kejadianwahyu5826 IM DYING LMFAOOO
@juangomez713 Жыл бұрын
Victor should’ve briefed up with this 😭
@user-sz7mq5hx9f Жыл бұрын
2:08 isnt the line on top of the 2nd carbon called a methyl group? why did he call it a hydroxyl group when thr is no OH present? plsss clarify
@tak_1202 Жыл бұрын
For the second to last example you did in this video (one with cyclopentane, methyl, fluorine, and OH), how can you tell that the carbon in the cyclopentane attached to the OH has two of the same things around it? Is it because there are two carbons (from the cyclopentane) on one side of the carbon attached to -OH and then two other carbons (from the same cyclopentane) on the other side of the carbon attached to -OH?
@tinachilla5652 Жыл бұрын
yes
@javedfaizal5473 Жыл бұрын
U ARE A GODSEND
@prasangsaraf98275 жыл бұрын
Thanks a lot
@sahilthapa22914 жыл бұрын
At 2:00 please do highlight OH group will bright colours...cuz while the question was being asked.. we could not see the dark blue/purple coloured OH.(unless u turn on ur screen brightness to full mode).. 😊
@zombiekunfu1003 жыл бұрын
Pls do a video on pseudo chiral carbon
@lukesmax3 жыл бұрын
Thanks this helped a lot👍🏼❤️
@kylenguyen26063 жыл бұрын
Not that he didn’t explain well on the last example. Watch it from the beginning to the end, he assumes that everyone should now know how to explain it by comparing your answer vs. his answer.
@oluwaseyiakinyemi82532 жыл бұрын
Wow...thanks so much Really do appreciate
@seetamnaidu75013 жыл бұрын
Superb explanation
@L.Hernandez-it3ss2 ай бұрын
Would of loved to hear the explication of the last example but the video cuts off…
@hananalsakka.3305 жыл бұрын
Thank you ✨✨✨✨
@SaiPatil-ml8th2 ай бұрын
What about 1,2-chlorocyclohexane?
@mirusama20726 күн бұрын
Oh so I was correct at the last part- I'm learning
@BrandonCuringtonOfficial3 жыл бұрын
Why is there an invisible hydrogen in every chiral center?
@anjleesharma15993 жыл бұрын
@Giorno Giovanna Actually, we won't call that as an invisible hydrogen. It's there because carbon always form 4 bonds and the structure that we're drawing is called bond line structure. It's the main purpose of drawing the structure as bond line so that we can reduce it and even after that we are able to represent the whole compound. That's why, hydrogen is present there so that we can satisfy the valency of carbon(having the tendency to form 4 bonds). I hope, this will help :)
@inga50703 жыл бұрын
THANKS 🥰🥰
@dustinfrazier-wilson54592 жыл бұрын
At 2:21 if the right and left are the same, then how are they both chiral centers?
@user-iv2ms2zq6c2 жыл бұрын
That is for the chiral center connected to nh2. The one on the left and the right when looked at separately are chiral centers because they have 4 different groups attached to the carbon: one is the long chain, another is the hydrogen, the oh, and the ch3 group. The left and the right chiral centers are the same in this regard but are not associated with each other.
@asimhussain56332 жыл бұрын
What is meant by invisible hydrogen? Where that comes from?
@fyroboi20535 ай бұрын
We don't mention hydrogen when we write bond line structure of any organic compound but sometimes people overlook this "hydrogen atom" so it's named invisible as a joke it doesn't mean hydrogen atom doesn't exist we just don't show it
@mariam.72713 жыл бұрын
THANK YOU!
@lunganiacquillampofu51483 жыл бұрын
Thank you
@Hunn0037 ай бұрын
Bro saved me from an extra mental breakdown
@deepthidasari2129 Жыл бұрын
thank you
@fahima_study_71311 ай бұрын
Thank u so much 🙏💗
@sissijoko35804 жыл бұрын
Thank you!🌟💥👍💫
@chiragjain90133 жыл бұрын
can anybody help me out with the name of this compound at 5:16
@SumanLata-iw7gg4 жыл бұрын
How many chiral centres r there in Ranitidine , Cimetidine,Bromopheniramine, Iproniazid, Phenelzine,Equanil ,Serotonin , Veronal , Valium , Tetracycline , Ofloxacin ..... If u know any of them plz and }:‑)🙏
@FatimaKhazaal5342 жыл бұрын
Thanks 😊🙏
@NickiBright4 жыл бұрын
What is the name of the molecule at 4:13 ?
@user-vj5gs4ru4u2 жыл бұрын
1-(3-fluoro-1-methylbutyl)cyclopentanol
@Emily-bx3pu3 жыл бұрын
if only u were my teacher
@karthikbijoy7403 ай бұрын
Nice
@youssefgouda736 Жыл бұрын
bro i love you
@theswave797511 ай бұрын
I thank Jesus for you bro
@niki-mendozacatalan59034 жыл бұрын
wtf is the last one
@kasukurthiakhil57034 жыл бұрын
No bad word is allowed
@debbiedem44904 жыл бұрын
kzfaq.info/get/bejne/iLiAdqqjmcice4U.html
@ommahajan98134 ай бұрын
👍👍👍
@syakiralokman16653 жыл бұрын
Thank you!
@AtomicPeach4 жыл бұрын
I owe you my degree man I swear
@secretgarden81423 жыл бұрын
Thank you (Sun 20 Dec 2020, 6:03 PM)
@eliasperez3015 Жыл бұрын
Thanks girl
@NikhilSingh-ei2ft3 жыл бұрын
Great
@quietworld68704 жыл бұрын
i still dont get it whatttttttttttttttt
@dr3.022 жыл бұрын
i keep confusing element with groups 😭
@evilchaos74734 жыл бұрын
in this video ...
@singhutkal122 жыл бұрын
❤️
@muhammads34375 жыл бұрын
Not explained very well
@MikoPellas Жыл бұрын
Walter White brought me here
@maxfigueroa6654 ай бұрын
fuck this class. thanks for the help but oh dear god this sucks