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8:12 for the question in that timestamp, if we arrange the numbers that way, it becomes in descending order and u said in a previous video that it's better to have the numbers in ascending order after putting them in alpha order.
Actually, when there is a functional group and a multiple bond, you have to prioritize your numbering based on the group first. So the one around 4 mins is actually 2-fluoro-5-hexene
So when naming these compounds, what is the true priority? You make it sound like it is alphabetization, but then you also make it sound like it's the numbering (increasing)
*@ **7:24* I'm a bit confused because you said previously that the Br group must have the least number. But in this example, you're counting from the methyl group, why is that? When I counted from the Br group, I got the substituents being 3-chloro and 4- methyl, so the name I got was *1- bromo, 3- chloro- 4 methyl cyclohexane.* Is that name wrong? *@**11:10* could it also be named as *2, 2- chloro methyl propane?* Being that, there is 2 substituents on the same carbon?
For ur first Q it's wrong ... Cause first u hv to be sure that the addition of the numbers in iupac should be least 1 - bromo 3 chloro 4 methyl cyclohexane here it is 1+3+4=8 But correct answer is 4 bromo 2 chloro 1 methyl cyclohexane 4+ 2+1 = 7
I already failed my 2past exams and tomorrow I got another 1 and I am not finished with my 3 modules because I am overloaded, I hope I will be able to learn in just a short time
Just want to make sure to let people know that they recently changed the naming conventions for a lot of these aromatic and aliphatic compounds. Some of the information that he is teaching is OUTDATED.
I don't understand the 3-element style. I thought we're supposed to "count" the elements alphabetically, so shouldn't bromine come first then methyl and then chlorine
I don’t understand something what about complex alkyl Halides like a chloromethyl attached to a parent chain or a 1-chloroethyl how do we name those on parent chains
I think there is a mistake -- at 7:25 you state that 1,2,4 is the best way to count it, giving the order: 1-methyl-2-chloro-4-bromo. but then at 7:55, you end up just putting it in alphabetical order anyways...
its always going to be in alphabetical order when writing the name, it doesn't matter which number accompanies the substituent when writing the name as you should have established the lowest number group while counting the carbons. So always count the carbons to achieve lowest number groups for substituents THEN put them in alphabetical order for the name.
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actually my study language is Turkish but I understand it with you better than Turkish. That's amazing. Thank you.
Thank you sir for your clear discussion. I hope I can get high a high grade to my incoming final examination in org chem.
he makes it so easy to understand, i feel bad for yall who didnt have these vids ready by april 21 2018, imma need him now as a junior in college
Wow! This is truly amazing. Easier to understand
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Voice may be good but what about volume? Sorry to say but can hardly hear what is being explained...
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wow! I'm so loving organic chemistry. used to be scared of it. Thanks man
Literally watch this before a test every time, so good
Thank you so much!
Am gaining a lot of knowledge in organic chemistry 🏃🏿♂️
For naming prioritize like this.....Functional group > bonds > Substituents
Hope this help :) 💜
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Very much useful in preparing for jee than any other youtuber
thank you SO SO much!!!!!!! i always watch your videos when i don't understand our lessons 😂
All this time I was afraid of organic chemistry. Very simple to understand the way he simplifies it.
Thank you (Fri 18 Dec 2020, 5:54 PM)
Thank you for all of your helpful videos! Very much appreciated :)
8:12 for the question in that timestamp, if we arrange the numbers that way, it becomes in descending order and u said in a previous video that it's better to have the numbers in ascending order after putting them in alpha order.
I noticed that too. Looks like a contradiction to me
Yeah that is why maybe I rewinded that one 2 to 3 times
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Thanks man you saved my life
Actually, when there is a functional group and a multiple bond, you have to prioritize your numbering based on the group first. So the one around 4 mins is actually 2-fluoro-5-hexene
Nope F is not a fg its a substituent so he's right
Excellent explanation
So when naming these compounds, what is the true priority? You make it sound like it is alphabetization, but then you also make it sound like it's the numbering (increasing)
Alphabetization and then ascending number order
Yeah one thing my teacher does is that she writes the priority list side by side when we start any functional group
That's 3 years old tho but searching up online might help
1:39, can you also call the compound hexyl-2,3-dichloride?
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Thanks you so much about it you really help me out about this
Thank you sir, splendid explanation.
*@ **7:24* I'm a bit confused because you said previously that the Br group must have the least number. But in this example, you're counting from the methyl group, why is that? When I counted from the Br group, I got the substituents being 3-chloro and 4- methyl, so the name I got was *1- bromo, 3- chloro- 4 methyl cyclohexane.* Is that name wrong?
*@**11:10* could it also be named as *2, 2- chloro methyl propane?* Being that, there is 2 substituents on the same carbon?
For ur first Q it's wrong ... Cause first u hv to be sure that the addition of the numbers in iupac should be least
1 - bromo 3 chloro 4 methyl cyclohexane here it is 1+3+4=8
But correct answer is
4 bromo 2 chloro 1 methyl cyclohexane
4+ 2+1 = 7
I really like the video very much
Easy language and understandable
Really thanks a lot
This guy is genius 👏
رحمه الله والديك
God Bless you man
thank you it is very helpful, satisfied viewer :)
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Great video sir
Thanks
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Thank you once again.
Which one do we prioritise?? A multiple bond or a func. Grp ?
a multiple bond must have the lower number!
Awesome...sir ...well done 👍
Easy to understand
I dont get the tert-butyl part.. why is it named like that? is there a system of names provided or what? please respond
that is the accepted common name, the true IUPAC name is 1,1-dimethylethyl. my professor accepts either
IDK why or is it me he sounds like daily dose of internet
I already failed my 2past exams and tomorrow I got another 1 and I am not finished with my 3 modules because I am overloaded, I hope I will be able to learn in just a short time
Thank you, sir!
thank you
I understand this! Wow! I am amazed.
I always called them halogenoalkanes (as that is the name the compounds were given in my allocated textbook)
you are the best
Solve 1-iodo 3-methyl benzene
what if ethylbromide or methylbromide is a substituent of the longest chain
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Thank you❤
Thank you!
plz explain me about Avogadro's number.....
i think now you're much better than 2yrs ago huh? u must be some master about OC ??
Just want to make sure to let people know that they recently changed the naming conventions for a lot of these aromatic and aliphatic compounds. Some of the information that he is teaching is OUTDATED.
Thanku 😊
I dont even know how to identify whether it's alkyl n why and how it's drawn like this
I don't understand the 3-element style. I thought we're supposed to "count" the elements alphabetically, so shouldn't bromine come first then methyl and then chlorine
should be lower number since starting with bromine would give 1,3,4 unlike with methyl which would give you 1,2,4
I don’t understand something what about complex alkyl Halides like a chloromethyl attached to a parent chain or a 1-chloroethyl how do we name those on parent chains
Plz explain me about Quantitative chemical Analysis
I bet now ur master in it!!
8:07 there is a prolem with namin that compound i cecked google and the answer was 1 bromo 3 chloro 4 methyl cycloexane.
Exactly halogens have a higher priority than methyl group
I had problem in that one too, I opted for that iupac name but the lecturer in this video did otherwise
thank you sir🤍
Isn't it 1-br-3-cl-4CH3 ???8:00
That's what I noticed too. Alky halides> alkanes, halides should have the lowest number...
3:51 don’t we go numbering in an order such that the functional group gets least number?
Alkenes have a higher priority than halogens
First halogen fir methyl group
I think there is a mistake -- at 7:25 you state that 1,2,4 is the best way to count it, giving the order: 1-methyl-2-chloro-4-bromo. but then at 7:55, you end up just putting it in alphabetical order anyways...
Best way to count to reduce the overall sum of the numbers used, but doesn't affect the alphabetical order
its always going to be in alphabetical order when writing the name, it doesn't matter which number accompanies the substituent when writing the name as you should have established the lowest number group while counting the carbons. So always count the carbons to achieve lowest number groups for substituents THEN put them in alphabetical order for the name.
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Nicc
2.3Di Chlorohexane
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I wish my lecturers are like you
"iodo" sounds funny 🤣🤣🤣
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العراق العظيم اوووف🇮🇶
superhero
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2:03
2 - bromo - 4 - chloro pentane bcus of the alphabetical order.
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Thanks