Rafay Ahmad, right. He should be a teacher in all these subjects from math to science. He has the most calm voice and it is so easy to understand him. Wish you were my teacher. We need to see his face one day.😀
You saving my sanity here. I was totally confused in class about this. 4 hours in class with no comprehension, and your 16 mins video got me thinking about whether I should keep going for organic chemistry class. I can seriously learn all I need to know on your videos. You are a Blessing man.
@@AlienfromAndromeda. I can't be sure, but I've left a lot of similar comments and I think a few people have gotten back to me after a decade! That's just how we do things here in the Milk Way...
@@PunmasterSTP wowwwww....it was such a nice and cool comment. Didn't expect reading about milky way in the next sentence 😄😄 I like you already🤣 Received replies after a decade, really???
@@AlienfromAndromeda. I like you too! And yes, I'm pretty sure I remember at least one person getting back to me after a decade. I tutor people in math and science and visit educational videos on RUclips fairly regularly. I think one of the 10+ year replies was on an ultrasound video, but I can't quite remember now.
Cramming for my orgo exam and was confused on the z and e configuration with more than one double bond and you explained it perfectly. Thanks a lot man you are a blessing!
Even after 7 years of uploading this video, people are learning from you!! And getting appreciated in their schools 😅 this is only because of you Thanks a lot man 💥 You deserve it ❤
7:48 It's always good to remember that the chain has to go through the double-bond, even if you could make a longer chain elsewhere. Thanks for the explanation and all of the examples!
No, you have to include both the carbons involved in the double bond, in the configuration you suggested only one of the carbons involved in the double bond is considered. @@sanyasarin
The last example is what I have been trying to find on youtube since last night, but everyone is just teaching the simplest ones with only one double bond...😒 Thanks to you that I understood this...thankyou sooo much😊😊
Your videos helped me throughout my Chemistry One class. I got an A in that class and I want to say thank you... I am back again watching because of the chem two class.
its 2 a.m. watching videos of how to name Alkanes, Alcohols, Alkenes, Alkyne, Cyclic structures, and Aromatics and you simplify this so much, thank you.
Thanks man... Please keep up the good work. I'm always sitting in front of my lecturers but tryst me, I don't usually understand a thing .... Your video has helped me a lot ☺️ Thanks again ❤😊❤
@@specialgamer6852 looking back now, I think its because he stated that the double bond should be the lowest no. The double bond's position takes precedence when determining the name. Since you can have the double bond on Carbon 1 with a 7-carbon chain, you must use that option because it gives the double bond the lowest possible number.
I've been trying to understand priority groups that were introduced in our homework mind you not in actual class and I was so confused trying to read about it. You literally cleared up my confusion in 5 seconds. If more orgo professors taught like you there wouldn't be so much stigma around the class. thank you!!!!!
Thank you so much for your videos. You're a life saver. P.S. I can't tell you how much I despise learning subject matter I'm never going to use in the field. Lol.
For the example at 8:33, isn't the priority to find the longest chain? As such, shouldn't the left ethyl group be part of the chain, and the double-bond be called a 2 methyl groups?
I always love your video! God bless you, man! Whenever I don't understand something, I just watch your video and then I'm good to rack the chemistry 👌.
Feeling much more prepared for my exam today. Thank you so much for this. Just wish I found this video sooner but now I know where to look for future assistance!
8:10 a little doubt... If we count on the left side including the double bond it becomes 8 which means octene and u said that we should give priority to that double bond but why?
for the example on 8:17 why can't you start the carbon chain all the way on the left and end on the propyl group on the right ? that would make it an 8 carbon chain which is longer.
8:17 sir this is not the longest chain and you check again by numbering from left until you reach down to the branch and you will find out that the longest chain is actually octene , THANKS for your efforts .
Pretty good, but you should have included some double bond chains outside of a ring with double bonds inside. You helped get some big concepts though, good job!
For 8:05, wouldn't the longest chain be 8 carbons since when you start counting from CH3 on the left and go all the way down to the primary butyl, that would make the longest chain?
longest chain isn’t the first priority when numbering. highest amount of suffix functional groups comes first, highest amount of multiple bonds comes second, then longest chain is the 3rd priority
8:16 I know that the bond should get the lowest number but the longest chain contains 8 carbons by counting from the left!! But why did he take heptene instead of octene?
@@jaysomdahl8707 Then does it mean that when the hydrocarbon was counted from the left side in this particular example, then both the carbons in the double bond weren't included, right?
@@FlodrickGaming right, when deciding what the longest chain is for an alkene, both the atoms joined by the double bond need to be included in that chain. If you were to use the 8 carbon chain and name it 3-octene (ignoring the other groups) that would imply a double bond between carbons 3 and 4 which was not your intention.
Right. At first I'm like oh easy, double bonds means end everything with ene ... then came the addition of other molecules being attached which made it even more confusing as well as multiple double bonds turning it into diene, triene, etc and having to put it all in alphabetical order 😭
It’s Z and it’s trans. And it’s why in nomenclature you should try and avoid cis/trans when you have 3 different groups. Only use cis/trans for basic cases.
Organic Chemistry - Video Lessons: www.video-tutor.net/organic-chemistry.html
My king, you've SAVED me. There's a special place in heaven for teachers like yall
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How can not skipping ads help him?
@@a.b505 If you skip an ad the content creator doesn't get paid for that ad
@@siddharthkarthkeyan1515 what? No. He gets paid anyway. It’s not about watching it the whole way through.
@@RainbowSixIntelur dumb
@@RainbowSixIntelI thought creators get paid proportionally based on how much of the ad was watched? Who knows, and maybe it's different now.
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Me too!
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Rafay Ahmad, right. He should be a teacher in all these subjects from math to science. He has the most calm voice and it is so easy to understand him. Wish you were my teacher. We need to see his face one day.😀
My teacher is seriously impressed with my work all because of your help!!! Not his. lol
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@@elhamrahimi1056 same
I just don't know why you thanked us for watching. I've got to say my thanks better.. thank you so much for your help. You're great
You saving my sanity here. I was totally confused in class about this. 4 hours in class with no comprehension, and your 16 mins video got me thinking about whether I should keep going for organic chemistry class. I can seriously learn all I need to know on your videos. You are a Blessing man.
Out of curiosity, did you keep going for ochem?
@@PunmasterSTPI wonder, the person even received your comment or not...😅
@@AlienfromAndromeda. I can't be sure, but I've left a lot of similar comments and I think a few people have gotten back to me after a decade! That's just how we do things here in the Milk Way...
@@PunmasterSTP wowwwww....it was such a nice and cool comment. Didn't expect reading about milky way in the next sentence 😄😄 I like you already🤣
Received replies after a decade, really???
@@AlienfromAndromeda. I like you too! And yes, I'm pretty sure I remember at least one person getting back to me after a decade. I tutor people in math and science and visit educational videos on RUclips fairly regularly. I think one of the 10+ year replies was on an ultrasound video, but I can't quite remember now.
Students watching in 2024
Meh
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Cramming for my orgo exam and was confused on the z and e configuration with more than one double bond and you explained it perfectly. Thanks a lot man you are a blessing!
Hey how'd your exam go?
Even after 7 years of uploading this video, people are learning from you!!
And getting appreciated in their schools 😅 this is only because of you
Thanks a lot man 💥
You deserve it ❤
This guy saving lives out here. Thanks brotha!
Camilo Lopez, he should receive a prize!
Please tell your parents that I thank them alot for making you. You helped me so much!!!
7:48 It's always good to remember that the chain has to go through the double-bond, even if you could make a longer chain elsewhere. Thanks for the explanation and all of the examples!
wrong
Woooowwwww, I feel so happy when I watch your videos, sometimes I feel like staying in my room and watching your videos instead of going to class
When my sister introduced me to this channel i used to hate him ... But, now I love his teaching
I hope you go to sleep knowing you helped yet another student feel confident in their organic chemistry skills!!!! Thank you!!!
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How'd your final go?
At 8:22 couldn't you have started at the very left with 1 and counted 3 as the double bond, making the longest strand 8?
I also noticed that!
The double bond needs to be included in the main root chain. @@sanyasarin
No, you have to include both the carbons involved in the double bond, in the configuration you suggested only one of the carbons involved in the double bond is considered. @@sanyasarin
the double bond has to be included in the longest chain. It means the WHOLE bond, not just a part of it
the double bond needs to have the lowest number which is 1 so the chain starts from there
I never understand chemistry in class, but it makes sense with you.. I love you!
The last example is what I have been trying to find on youtube since last night, but everyone is just teaching the simplest ones with only one double bond...😒
Thanks to you that I understood this...thankyou sooo much😊😊
The part at 6:47 about the priority for double bonds is overlooked by many teachers....thanks for removing confusion
Your videos helped me throughout my Chemistry One class. I got an A in that class and I want to say thank you... I am back again watching because of the chem two class.
Welp, here we are again watching your videos so I can at least make a C in my organic chem class. You have saved my academic career!
the best organic tutor in the world
He's smooth and easy going i understand everything he says i just wanna say God bless u🙏
its 2 a.m. watching videos of how to name Alkanes, Alcohols, Alkenes, Alkyne, Cyclic structures, and Aromatics and you simplify this so much, thank you.
Happy Teacher's Day!!!!! i'm learning alot from you more than from my professors/ You deserve alot of credits! Thank You
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This video saved my life omg
Omg this helped me so much more than all the german videos about alkenes I saw before! Thank you!
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Thanks man... Please keep up the good work. I'm always sitting in front of my lecturers but tryst me, I don't usually understand a thing ....
Your video has helped me a lot ☺️
Thanks again ❤😊❤
8:10 why is the chain only 7? You can start counting on the left most carbon to make it 8.
I wonder if you made sure about it , I realy want to know. 8:00
@@specialgamer6852 looking back now, I think its because he stated that the double bond should be the lowest no. The double bond's position takes precedence when determining the name. Since you can have the double bond on Carbon 1 with a 7-carbon chain, you must use that option because it gives the double bond the lowest possible number.
@@kennethara2034 thanks
@@specialgamer6852 gotchu bro
@@kennethara2034then double bond should always be given 1 number and the chain should be started from multiple bond 🤷🏻 , am confused-
I've been trying to understand priority groups that were introduced in our homework mind you not in actual class and I was so confused trying to read about it. You literally cleared up my confusion in 5 seconds. If more orgo professors taught like you there wouldn't be so much stigma around the class. thank you!!!!!
i understood more here than in my one year of chemistry lessons-- THANK YOUU
Thank you so much for your videos. You're a life saver. P.S. I can't tell you how much I despise learning subject matter I'm never going to use in the field. Lol.
This 16mins video is better than 2hrs lectures
For the example at 8:33, isn't the priority to find the longest chain? As such, shouldn't the left ethyl group be part of the chain, and the double-bond be called a 2 methyl groups?
其實我真的不知道，但我一定會找到答案的
learned more from this video than my 2 hour lecture
Learned more in the first 7 min of your video, than 2 hours of class lectures
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the compound at 2:45 can also be written as 2-methylhex-3-ene, right?
You are seriously the most amazing human being
15:03 *completely slams hydrogen for no reason*
hahaha!
This might save me from my exam tomorrow
Person who don't ask for like, share,and subscribe.. But still 5.95M subs.. Great..
My cancer cured with this video.
8:13 Doesn't the longest chain contain 8 carbons if you start from the leftmost one and go down the ethyl group?
No because you need to start counting carbons at the double bonds.
@@adamhalmy9398 Oh okay yes. Thanks :)
Technically as of the latest rules, yes it does. The double bond would be named as a methylidene group.
@@rwayle 😱 No way!
So what is the answer and why? No body gives rationale just o its supposed to start at double bonds.
confused. for the example at 7:55 why did you start the count at the double bond but not for example at 15:30?
doing what my prof could never do, bless ur soul
Wouldn't the example 7:58 be: 5-ethyl-3-octene ? Because if you start from the most left CH3 it's the longest chain.
That's because, we need to include the double bond in the main chain
when identifying the parent chain: highest number of double bonds > highest number of carbons
at 7:08 shouldn't it be 2-bromo-1,3,5-heptatriene? great video btw
The double bonds are given the lowest numbers
@@paysonkeown2960 thanks for the clarification.
But thinking about it, the number of the double bonds are still the same, which is 135 @@paysonkeown2960
But if we number the ring to give the bromine atom position 2, the double bonds would be numbered as 3, 5, and 7 instead of 1, 3, and 5.
I always love your video! God bless you, man! Whenever I don't understand something, I just watch your video and then I'm good to rack the chemistry 👌.
Best teacher in this fucking world🗣️🤝
Feeling much more prepared for my exam today. Thank you so much for this. Just wish I found this video sooner but now I know where to look for future assistance!
Hello! I think the parent chain in 8:11 is octane.
I don’t understand why it wouldn’t be octane either 8:16
No words in dictionary to admire you
8:10 a little doubt... If we count on the left side including the double bond it becomes 8 which means octene and u said that we should give priority to that double bond but why?
It’s in IUPAC rules that the highest priority substituent must be included in the longest chain
But if you choose the chain with eight carbon atoms, the double bond will not be part of the main chain.
Thank you so much❤.
This really goes a long way.
At 8:30 isn't that longest parent chain should start from the farthest left to the lowest right?. Which would make it 8 carbon and not 7?
No, thar would exclude the double bond from the longest chain
@@paysonkeown2960 thanks i get it now
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Hi, I was wondering why you are not using the preferred IUPAC naming system for this? For example, shouldn't 3:24 be Buta-1,3-diene?
They're both accepted.
@@TheOriginalArchivist there are dozens of accepted names. only the new version is preferred
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for the example on 8:17 why can't you start the carbon chain all the way on the left and end on the propyl group on the right ? that would make it an 8 carbon chain which is longer.
I was thinking the same thing?
Gotta include the double bond
ohhhh i see thank you
8:27 can anyone explain how he got 2,4 diethyl here? How is the "ethyl group on carbon 4"?
Now I'm confident
Thankyou😭
I have a test tomorrow and he has literally shown me a topic I didn't understand in 16mins😳😌......he's the best.....💯💯💯💯
8:17 sir this is not the longest chain and you check again by numbering from left until you reach down to the branch and you will find out that the longest chain is actually octene , THANKS for your efforts .
The 2 double bonds should be included in the parent chain :))
impressive..u don't know how I have just helped me..thanks
Pretty good, but you should have included some double bond chains outside of a ring with double bonds inside. You helped get some big concepts though, good job!
You saved my life😭😭
How come it's not an 8 carbon chain at 8:22 if you start numbering from the very first carbon to the left
For 8:05, wouldn't the longest chain be 8 carbons since when you start counting from CH3 on the left and go all the way down to the primary butyl, that would make the longest chain?
I believe it is the longest chain including the double bond too
longest chain isn’t the first priority when numbering. highest amount of suffix functional groups comes first, highest amount of multiple bonds comes second, then longest chain is the 3rd priority
@@blackhitler8572thank you black Hitler
please explain detail in cis trans difference. your video is good but I still confused between cis and trans.
Learning this real quick with my short term memory loss syndrome
you so real for that. I understand so quick and then boom after I forget everything
At 8:15 isn't the longest chain 8 hydrogens long
Thought so too
no the double bond must be included in the chain
8:16
I know that the bond should get the lowest number but the longest chain contains 8 carbons by counting from the left!! But why did he take heptene instead of octene?
The double bond needs to be included in the longest chain
@@jaysomdahl8707 Then does it mean that when the hydrocarbon was counted from the left side in this particular example, then both the carbons in the double bond weren't included, right?
@@FlodrickGaming right, when deciding what the longest chain is for an alkene, both the atoms joined by the double bond need to be included in that chain. If you were to use the 8 carbon chain and name it 3-octene (ignoring the other groups) that would imply a double bond between carbons 3 and 4 which was not your intention.
U have just saved my life
This man is a genius
i'm still confused a little bit but thanks a lot for this!
Right. At first I'm like oh easy, double bonds means end everything with ene ... then came the addition of other molecules being attached which made it even more confusing as well as multiple double bonds turning it into diene, triene, etc and having to put it all in alphabetical order 😭
7:33
2-bromo-1,3,5-cycloheptatriene
Exactly
I love you. Thank you for everything. Please take care of yourself.
The example at the time 15:35, I really need more explanation if possible. Thank you
I am so incredibly grateful for you and your videos, they're so helpful and makes ochem less painful!
At 13:41 didnt you forget theethyl group ? Shouldnt it be 1-chloro 2-ethyl 2-methyl cisbutene?? Can I write it like this? 😮😮
There is no ethyl group, the CH2CH3 bit is part of the butene chain!
@@rwayle thanks
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wait, i don't get it. starting from 11:41 I thought it's (E) trans because the given shows that it contains opposite sides.. i'm confused :((
It’s Z and it’s trans. And it’s why in nomenclature you should try and avoid cis/trans when you have 3 different groups. Only use cis/trans for basic cases.
And why would I skip an ad for this man?
God bless you 🙏
many thanks. I was struggling to understand during the lecture. Big respect ❤
thanks for saving my life
This was an ALPHA video!
Thanks so.much helped me in my last minute revision
Thank you for this Beutiful lecture!!!!!
Btw why on 11:52 we didn't mention the methyl group at carbon 3 atom in naming?
That’s not a methyl group, that’s part of the longer butene main chain.
@@paysonkeown2960
Yeh It's more like we look for what's out of the main chain to name it (and neglect hydrogen). Thx buddy.
Btw, the new nomenclature says that you search for the longest carbon chain, and the old one says to include the double bonds.