Isomerism 09 || Opical Isomers 01 || Introduction : Chiral Centre and Enantiomers JEE MAINS / NEET
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- Опубликовано: 10 сен 2024
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3)PDF Notes of each class.
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6)The Complete Course (Video Lectures, PDF Notes, any other Study Material) will be accessible to all the students untill JEE Mains & NEET 2021 (nearly May 2021)
7)In case you missed a live class, you can see its recording.
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9)Each chapter will be discussed in detail with all concepts and numericals
10)Chapterwise Approach towards JEE Mains/ NEET & Board Exams.
***Test Series for XI & XII***
We provide you the best test series for Class XI,XII, JEE, NEET chapterwise, which will be scheduled for whole year.
The test series follows very logical sequence of Basic to Advance questions.&
Evaluation of Test and Solution to all the questions at the end of the test.
Isomerism 10 || Optical Isomers 02 || Plane of Symmetry and Centre of Symmetry JEE MAINS /NEET ||
• Isomerism 10 || Optica...
Isomerism 11 || Optical Isomers 03 || Enantiomers , Diastereomers, Meso , Total Isomers JEE/NEET
• Isomerism 11 || Optica...
Isomerism 12 || Optical Isomers 04 : Wedge Dash and Fischer Projections with R-S Configurations
• Isomerism 12 || Optica...
Class 11 chapter 12 | ISOMERiSM 01 | Introduction : Chain and Position Isomerism IIT JEE MAINS/NEET
• Class 11 chapter 12 | ...
Isomerism 02 || Structural Isomers : How to Find Total Structural Isomers D.B.E. IIT JEE MAINS/NEET
• Isomerism 02 || Struct...
Isomerism 03 || Functional Isomerism , Metamerism , Ring Chain Isomerism IIT JEE MAINS / NEET ||
• Isomerism 03 || Functi...
Isomerism 04 || Tautomerism 01 : |Condition to Show Tautomerism and Special Cases JEE MAINS / NEET
• Isomerism 04 || Tautom...
Isomerism 05 || Tautomerism 02 || Percentage of Enol Content N Stability of Enol JEE MAINS / NEET ||
• Isomerism 05 || Tautom...
Isomerism 06 | Stereoisomerism : Geometrical Isomers 01| Cis-Trans / E -Z / Syn-Anti JEE MAINS/NEET
• Isomerism 06 | Stereoi...
Isomerism 07 || Geometrical Isomers 02 : Cycloalkanes , Allenes , Spiro , Biphenyl JEE MAINS / NEET
• Isomerism 07 || Geome...
Isomerism 08 || Geometrical Isomers 03 || Number of Geometrical Isomers JEE MAINS/ NEET
• Isomerism 08 || Geomet...
Iomerism 13 | Optical Isomers 05 | Optical Isomerism in ALLENE , SPIRO and BIPHENYL JEE MAINS/ NEET
• Iomerism 13 | Optical ...
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What will you get in the Lakshya Batch?
1) Complete Class 12th + JEE Mains/ NEET syllabus - Targeting 95% in Board Exams and Selection in JEE MAINS / NEET with a Strong Score under Direct Guidance of Alakh Pandey.
2)Live Classes and recorded Video Lectures (New, different from those on RUclips)
3)PDF Notes of each class.
4)DPP: Daily Practice Problems with each class having 10 questions based on the class of JEE Mains/NEET level.
5)Syllabus Completion by end of January, 2021 with topicwise discussion of Last 10 Years Problems in Boards, JEE Mains/NEET within Lecture.
6)The Complete Course (Video Lectures, PDF Notes, any other Study Material) will be accessible to all the students untill JEE Mains & NEET 2021 (nearly May 2021)
7)In case you missed a live class, you can see its recording.
8)You can view the videos any number of times.
9)Each chapter will be discussed in detail with all concepts and numericals
10)Chapterwise Approach towards JEE Mains/ NEET & Board Exams.
****Test Series for XI & XII****
We provide you the best test series for Class XI,XII, JEE, NEET chapterwise, which will be scheduled for whole year.
The test series follows very logical sequence of Basic to Advance questions.&
Evaluation of Test and Solution to all the questions at the end of the test.
Class 11 chapter 12 | ISOMERiSM 01 | Introduction : Chain and Position Isomerism IIT JEE MAINS/NEET
ruclips.net/video/mq1L2plDTrU/видео.html
Isomerism 02 || Structural Isomers : How to Find Total Structural Isomers D.B.E. IIT JEE MAINS/NEET
ruclips.net/video/_RsvQC69GqE/видео.html
Isomerism 03 || Functional Isomerism , Metamerism , Ring Chain Isomerism IIT JEE MAINS / NEET ||
ruclips.net/video/9gti5tVKAwY/видео.html
Isomerism 04 || Tautomerism 01 : |Condition to Show Tautomerism and Special Cases JEE MAINS / NEET
ruclips.net/video/MdBxRUu81W4/видео.html
Isomerism 05 || Tautomerism 02 || Percentage of Enol Content N Stability of Enol JEE MAINS / NEET ||
ruclips.net/video/f97VxiXfjl8/видео.html
Isomerism 06 | Stereoisomerism : Geometrical Isomers 01| Cis-Trans / E -Z / Syn-Anti JEE MAINS/NEET
ruclips.net/video/C7CMdH2w0wE/видео.html
Isomerism 07 || Geometrical Isomers 02 : Cycloalkanes , Allenes , Spiro , Biphenyl JEE MAINS / NEET
ruclips.net/video/K9feZA-x0j4/видео.html
Isomerism 08 || Geometrical Isomers 03 || Number of Geometrical Isomers JEE MAINS/ NEET
ruclips.net/video/Ukyrbpu99mk/видео.html
Isomerism 09 || Opical Isomers 01 || Introduction : Chiral Centre and Enantiomers JEE MAINS / NEET
ruclips.net/video/ZiPzgGVJDvY/видео.html
Isomerism 10 || Optical Isomers 02 || Plane of Symmetry and Centre of Symmetry JEE MAINS /NEET ||
ruclips.net/video/2Lad_FQ7K2w/видео.html
Isomerism 11 || Optical Isomers 03 || Enantiomers , Diastereomers, Meso , Total Isomers JEE/NEET
ruclips.net/video/kfMToOXhpZk/видео.html
Isomerism 12 || Optical Isomers 04 : Wedge Dash and Fischer Projections with R-S Configurations
ruclips.net/video/Mjgnb1DU3LE/видео.html
Iomerism 13 | Optical Isomers 05 | Optical Isomerism in ALLENE , SPIRO and BIPHENYL JEE MAINS/ NEET
ruclips.net/video/_hK2-WkRAO0/видео.html
Sir 1:03:03 jo example diya hai usame to oxygen atom same attached hai firbi vah chirl centre kese huaa
@@lalitshrirao2339 yep
Sir 1:03:03 jo example diya hai usame to oxygen atom same attached hai firbi vah chirl centre kese huaa???????
At 1:02:30
listen the lecture carefully........ It will be a superimposable image..
Sir ne bola hai ki
1.pehle compound ki mirror image banao.....
2.Or phir first compound (jiski mirror image banayi hai) usko 180° rotate karo .....
3.Or phir check karo ki wo imposable image hai ya nahi....
And iss hisaab se sulphur wala compound imposable image banayega or optically active nahi hoga.....
And we can clearly see that.... Sulphur is bounded with two same atoms which directly shows that the compound has not any chiral centre and thus optically inactive .....
@Mr. Reality priest sir ne.....upar jo kuch maine type kiya.....wo bhi bola tha...... To mai us logic se bol raha hu
Sir you don't imagine what is the value of you in our life
Nice comment
@@MAGBUL1000 thanks
No but i can imagine
@@sarthakmaheshwari8210 because you are student and a student can imagine the value of teacher
Aisa kya tammwna jee
My teacher has started and ended up Optical Isomerism in 30 min and I Cant able to understand Properly at depth.Now Im satisfied.God will bless you sir.Your are great and helpful
My teacher finished reaction mechanism and genral organic chemistry in 2 periods ( approx. 90 mins )
My teacher finished optical isomerism in 90 minutes
My teacher never started it instead i am just only writing teacher made notes since last year
Just writing only
@@anshumansingh8513 😅🤣
Thanks
I am yakeen batch student but your chemistry is also better then a Chemistry teacher 😂😂😂😂 I love you sir
😅😅👍👍👌👌
Prashant sir is also very awasome tecaher.
The thing is he has taught in great dept
And the magic is he gave us many examples which most teachers don't
So we easily get him
Same
Apki English bhi theek nhi😂😂"then"
For those who are confused, at 1:02:31 the sulphur is not a chiral centre as it has two oxygen atoms attached to it. Sir made a mistake here
thanks for clearing, i was very confused here. I googled also but didn't find anything suddenly i remeber to see comments. luckily i finds yours,
Thank dude
Thanks bro
thank you bro I had doubt in it
Thanks
when this was uploaded I was a student in 12th, today I am watching it as a teacher to guide my first student. sweet memories can be derived from anywhere, love you sir, aapne jo kar dia no one can do in this world. We are ready and too much glad to say we may not have Elon Musk or Warren Buffet, but we have Alakh sir, that one percent.
love you sir.
😃😃☺seriously!! Alakh sir is one in infinity 🤩
2 saal me teacher 😗
ek pe chiral carbon se directly attached h OH ..ek pe chiral carbon se attached carbon pe OH h
@@tanmaysingh267 mujhe bhi ye samajh nhi aaya
@@tanmaysingh267 maybe a college student teaching some students
kush rakhna us maa ko humesa jisne hum garib bacho ke liye alokh sir ko janm diya is dharti me ...👏👏👏👏👏
Shi bole aapppp
Sahi me yrr
Who is alokh sir??
@@mahendrakumarnayak2805 alakh sir jiska video dekh rahe ho
@@mahendrakumarnayak2805 unse glt type ho gya vo alakh sir h
You've changed the meaning of chemistry for me . Excellent teaching.
Yes
72 Kunal Jain yah bro
Change karne ke baad kya rakha meaning😂😂😂😂
Yaaaa
@@thesiddiqueumar "ALAKHEMISTRY"
Timestamps:
9:32 Polariser
11:45 optically active substance
19:05 Dextro rotatory leavo rotatory
21:55 specific rotation
23:44 😂
25:00 how to know optically active substance
26:44 😅
31:15 😅
34:00 example lactic acid
39:50 enantiomers
44:00 chiral centre
1:04:00 chiral centers no rule
Ok
Tu sirf yehi Kam kar, thoda padh
Love u bro
@@shloknagarkar wo pardhne ke sat sat hamari maadad bhi kar raha hain ...😡
Bro again u r in 11 th class leacture 😂😂 haha we both are lazy to complete syllabus 😂
Sir jee mains likhte hai magar ye advanced ke topics h...itna deep me koi bhi khi bhi nhi padhayega .......SIR AAPKE LIYE ULTIMATE RESPECT H HAM SABKE MAN ME
Even people had subscription of cources but ye fir bhi jyada shi lgra ha 😂🤝
At 1:02:30
HSO4CH3 me do oxygen sulpher se judi hai vo kaise chiral center hoga sir
Same doubt
Same doubt
@@dineshdevjibishnoi yup
Same doubt here
@@aditishuklarollno.5712 , By Mistake Sir Ne Likh Diya.... No Prob.
Who dislike the video
Bas itna kehna hai kisi kabhi achha nhi Kar sakte toh bura bhi mat karo
Alakh sir love from jharkhand
Bekaar logic
@@anshulkanwar1 🖕🏻
@@hec9lerwalker218 🖕²
@@anshulkanwar1 🖕🏻¹⁰⁰⁰⁰⁰⁰⁰⁰⁰⁰⁰⁰⁰
@@hec9lerwalker218 👉💩
BAS 1 EK YEAR BAAD.... BIG KOCHING MAI.... STUDENTS KI... BHEED KAM HO JAY GI..... THANKS SIR LUV....U....SO
...MUCH👏👏👏👏👏👏👏👏
Right , coaching are doing business only .
Ya ur right
You all still need coaching for english
That will only happen if his content gets better with time today it sucks
@@priyanshkashyap4065 Knowing a language which was never a part of our culture is not a big thing. Criticizing people on basis of language will never prove that you are an educated person. It's just a language not knowledge.
1:02:46 sir it(sulphur) cannot be chiral centre bcoz it has same atom that is oxygen on both sides (up and down)
Yea my question too
Yes
Mera bhi
Hn bhai
Ha bhai
This generation is blessed to have you sir.
The future generation will miss you and we will represent you as your shinin stars
The coming generation is optical active so you can understand shinn ⭐🤟🏻🤟🏻😂😂😁😁
Don't worry alakh sir will make students as like him by sharing his knowledge and skills of teaching 🥳🥳🥳🥳🥳
Right.....
This lecture is three years old but now it has more value then before
OLD IS GOLD 🙂
Aaj jab mai 12th me aa gai hu to mujhe feel ho rha hai ki sir ke ye lecturers kitne important hai, sir bdhiya optical isomerism kisi ne nai samjhaya hai. Ye char lectures ki value bhut jyada hai . Aap best ho sir , thanku so much🙏🙏🙏🙏
Heeeeeee
I am hardin
Neet???
any class 12😂😂🙋🏻♂️🙋🏻♂️
Sir ke paid batch mai itni aachi chemistry nhi pdhai jaati...
Alakh sir ka padhaya hua dimag mai baith jata hai.❤❤
This man & his dedication towards his students is Unbelievable .
Never been interested in studies this much like I am now...... Thanks to alakh sir...
🙏🙏🙏
Yeh
Kaisa gya exam ☺
@@nipunmahajan97 neet h mera
@@The5amclub345 ok sry ......be prepared and best of luck☺☺
One of the main reasons sir can explain things that other chemistry teachers can't is because he is conceptually sound in both physics and chemistry. Hit like 👍👍 if you agree!!
Proof: 7:43 EMWave propagation
Old is Gold 🏆✨
Right
I am currently studying Bsc but now also l watch his videos before reading any chapters of chemistry for all basic knowledge
Lots of love ❤️
Is this basic knowledge
🤪
@@unknownrellik6939 yeah bro this is
even being a msc chemistry student I'm watching these lectures
Yes these lectures are very helpful for bsc also
@@bhanusharma9768 plzzz bhaiya can u tell me....in doing Bsc. in chemistry will be good or not.....btw you are doing Msc in which subject??????plzzz help me 🙏🙏🙏🙏🙏🙏
Sir...u should be awarded with TEACHER OF THE ERA award💯🇮🇳👑🥇🏆
At 1:02:30
listen the lecture carefully........ It will be a superimposable image..
Sir ne bola hai ki
1.pehle compound ki mirror image banao.....
2.Or phir first compound (jiski mirror image banayi hai) usko 180° rotate karo .....
3.Or phir check karo ki wo imposable image hai ya nahi....
And iss hisaab se sulphur wala compound imposable image banayega or optically active nahi hoga.....
And we can clearly see that.... Sulphur is bounded with two same atoms which directly shows that the compound has not any chiral centre and thus optically inactive .....
You are ri8
But sir had also said that if there would be one chiral center.....then it will 100% be optically active .... And as per sir 1 chiral center is present over here.....
@@atharvmahamuni9318 how 2 oxygen atoms are attached to sulfur atom
Its exeption in sulphur....only 2 dissimilar compounds can make it chiral centre
Bhai mirror image khali oxygen ke wazah se superimpose kr payega left right mai nhi 180' ghumane ke bad
I love your Lectures 😍😍 and Ur T-SHIRTS too 😂♥
Yaaa😂😂
me also
Shit just got real √-(shit)
Yo
Me to
Sir thank you so much for providing such a content online free of cost. I never knew that people like u can help students for achieving their dreams. And definitely you will be the only person who will help them.. Thank you.. I don't have words to express my gratitude..
Hii dude!! I wanted to know what are you doing NOWADAYS!! (take it in a positive way.). I am asking this to every old students.
@@shubh-youtubecan u plz tell me if optical isomerism is imp for class 12?bcoz in 11 ncert nothing is given about geometrical and optical isomers plz reply i beg u😢😢😢
@shubh-youtube hello dude i am asking you the same thing what you are doing now ?❤
Thanks
Alak sir lecture is more important for me sir I am in class 11 and I found lot of difficult in chem when I saw your video then my chemistry is better i thanku an we love all of them
At 1:02:40 , how are the four groups different ?? 🤔
Double bond OXYGEN to same hai SULPHUR pe, upar bhi & neeche bhi OXYGEN, to phir different kaise hua🤔 please explain Sirji🙏
Hm me bhi vohi sochra
Shi baat hai
Me too yr
Me bhi confused hu
Mai bi vi sochte hue comment me aaya
Sir you have real humanity.Salute you sir.And lots of thanks for you sir,though it is not enough for your effortless work.
Meri coaching mein jab sir ne ye padhaya tha to sab head ke upar se gaya but honestly Alakh sir... you are great... aapke lecture dekhke mujhe pura concept samjh aa gaya
You have a great knowledge how to teach students.🙏 you have clear all my doubts about optical isomerism. Thank you very much sir
Kon kon chahte h ki sir ek book likhe wo bhi unko own language me khucchuk khucchuk
Luv u sir 😘😘
Agr chahte ho to like kro 🙋👑
Yes I want they explain the concept very nicely
I dont know i can crack JEE
BUT FOR YOUR EXPLANATION TAKE A BOW😊
Today is janta curfew in India aur abb Pura din physics wallah sir he chal rahe he Ghar pe. Best way to use your time during curfew... Thank you sir.
*guys plz...appreciate what he uploads...stop saying ...sir ye krwado sir wo karwado..sir kitni mehnat krte hain..so plz first focus on what he teaches...by the way love your teaching methods a lot sir..salute*
27:08 middle finger mein engagement ring...😂😂 zum zum zum zum zum......LOVE U SIR.......Best teacher....
😂😂
Hey...Bhagwaan!
😂😂😂
You are not only the king of physics but also king of chemistry .Outstanding lecture sir❤
from pakistan
I watch your lectures at the speed of 2x and yes it seems normal to me but when it comes to gain the knowledge, the 1hr lecture at 2x speed becomes of 2 hrs even only on 2x💥👏
yes bro literally i watch it at 2x speed but i don't know but each lecture takes around 1.5 hours , may be because i make notes ...
Girl : Apni Sakal dekho ayene mein
Me : 30:50 *Symmetrical Hai🤣
😂😂
Oo bhai..😁😁😁😁
You can't imagine how much important u r for me ...
LOTS OF LOVE ...🥰🥰🥰🥰🥰❤️❤️❤️❤️❤️❤️❤️❤️❤️
Love from bihar sir.. i haven't any word to define how much you important in our life.. i won't achieve any online online coaching but sir because of you i feel i can crack neet... Thankyou so much sir.....❤️❤️
Tumhara neet clear ho gya kya????????
3y ago from this one board to present 8000 cr company .... Bss mehnat kro success jhak marke piche aegi 😌✨
Yrr sabhi teacher kee goc video dekhi but jo feeling yah par ate haa vo khi nahi ate
Like for aalakh panday sir ❤️❤️❤️💕😻❤️❤️
Shit just got real
😄👍Anybody during 🤙 lockdown 😘💯
ruclips.net/video/NwHdzJwyV7g/видео.html
Love from Pakistan sir,
May Allah bless you!
Jai shree ram
@@sudhanshusuryawanshi6692 jai hind
Always welcome
Jai jai shree ram🙏🚩
knowledge has no LOC 🤗...
Your comment make me feel that humanity is still alive...
1:02:52 It is surrounded by O on both sides. So it can't be a chiral centre. Please clear it.
Yes that’s what I was thinking
Yes brother I have that same doubt also 😂😂
S bro
Yes I also have same dought😢
Please anyone clarify
My days goes good bcoz sir always wishes me "All The Very Best"
sir's teaching is soo good that I don't even feel like reading comments while the video is on!!THANK U SIR...
sir ka teaching style Bohot sahi hai.
Content level toh superb hai hi.
My teacher never started this topic in class 🙄😑😂😂
*THANK YOU SIR* ❤❤❤
Pata ni lekin ab aapko thank you kehne ka bhi mann nhi krta kyunki I think ye word bhut chhota hai aapke liye humare love aur respect ko express karne ke liye . ☺
*LOVE UH SIR* ❤
Thank you sir I am a poor student of RBSE board I didn't understand this topic in approx 1 year but when I saw your video I am definitely understand all this thing right now
Thank you sir for your precious lecture 😊 💕
Always love Alakh sir ❤️
Please don't forget to like sir's video if you really want to appreciate his teaching,knowledge,hard work.
ek acha teacher milna 11th 12th me mushkil hota hai , thanq alakh sir for helping us
*_east_or_west_*
❤❤
❤*ALAKH SIR*
Is the _best_
Your best video for me since when I am watching your videos. This video cleared my many doubts related to class 12 chemistry and physics. U r the best sir! Thx for giving the best content.Any other teacher cannot do this.
Shi bole aap
Right bro he is the world's best teacher 😍❤👍👍
𝓨𝓮𝓼𝓼𝓼 𝓾 ᴀʀᴇ ᖇIᘜᕼT
THANKS A LOT SIR..... AFTER STUDYING FROM MANY BIG BRANDED COACHINGS I HAD NOT GOT THE CONCEPTS CRYSTAL CLRAR... LIKE AFTER WATCHING YOUR LECTUTES...... THANKS A LOT SIR...... MAY GOD BLESS U........ LOVE FROM HIMACHAL......
Yes
Same here😁😁
anupama Negi which coaching?
Actually the real brand is here (pandey sir)
Thank u sir is topic me doubt tha but ab clear hai sb😇😇
really i love ur classes sir very understandable frm basic level to most difficult level
Who is still watching these videos for Neet 2023.......... sir.......
U r just the Alakh of physics
Who agree? ....❣️
Why would you waste time on comments
1:02:41 how is this chiral, sp3 thik hai par valency 4 diff atom ne satisfy karni chaiye na, isme 2 oxygen hai sulphur pe
Sir in sulphur example there are two same atom so why optically active it should be optically inactive
I think sir forgot to mention that they were isomers .. or sir has made a mistake.
Thanks sir
Ha
My teacher said this topic in just 40 min I didn't understand anything but hear I learned clearly
The way you say "hello bachon" is actually produce curiosity to watch the whole video 😁😁❤
Sir you don’t imagine what’s the importance of PHYSICS WALLAH in our lives
Thank you so much sir.... My teacher finished optical isomerism in 30 mins... Now I understood completely 😊☺
I really respect u sir 😊 thanks for all of ur videos. Love u sir
Love from 🇵🇰.
You're a superhuman
Chira Centre ki contion:-----1. The Atom should be sp3 hybridized
2. "4" Valency different grp/atom se satisfied ho.
Then in case of that SULPHUR at 1:00 the given valency of sulphur is 6 in compond
But out of the 6 valency , 4 VALENCY is satisfied with different grp or Atom. THEREFORE IT IS CHIRAL CENTRE
But oxygen is connected with a double bond that means no lone pair is left for it to behave as a different group?
out of those 6 valenced bonds 4 are bonded with the same atom, i.e., oxygen so sulphur can't be a chiral centre
Sir U r teaching style is awesome👌👌👌👌👌.👏 👏 👏 👏 👏, U make this confusing topic😵😵😵😵😵😵........ Soo simple..😇😇😇😇😇😇Thankyou soo much for this superb lecture video..... 💜💜💜💖💖💖💖
You are always my favorite teacher forever 👌 ☺,,you really deserve a Nobel Prize 😊.. You are a very good manager bcoz u handle both the sides simultaneously 😊😊
𝓨𝓮𝓼𝓼𝓼 𝓾 𝓪𝓻𝓮 𝓻𝓲𝓰𝓱𝓽
Turrrrr kuchuk i like that sound😂😂😂😂😂
😂😂😂😂😅
When?
sunil kumar lol😂😂😂😂
I do nt
Sir Aapke jaisa to humko nhi lgta hai ki koi teacher itna best hoga sir you are great ..
Sir ji you are good professor and your every lecturer is full confident.
I like your lecture. Your lecture cleared my confidence and proved helpful in exam.
I am pakistani and student of pharm D.
Sir, today you have a huge platform of PW, but still I love to see your old vedios. Your vedios are so amazing 👍👍 thankyou so much for helping us
video ki spelling wrong hai
Hmm🙂
OLD IS GOLD AND GOLD IS NEVER OLD
what kind of meth are you on?
Listen ye disymmetry hai ya dissymmetry hai? Because internet par tog dissymmetry araha
Disymmetry hai
Kaun kaun session 2024 -2025 me dekh raha hai
definitely one of the best teachers in India.❤❤❤
Sir ap se achha teacher is duniya me nahi hai
At 1:02:32 O is present with double bond 2 times then how can it be chiral centre?
S did you cleared the doubt???
At 1:02:30
H2SO4CH3 me sulpher se 2 oxygen jude h, vo kaise chiral center hoga
pta nahin but same doubt
sir u should teach math also❤️❤️❤️for the future generations ❤️❤️❤️
एक अनार सौ बीमार
and bio also
@@ayushdantrao7081 Haan ek kaam kar jaan le le sir ki, kitne teacher hai jo ek subject nahi padha pate but tum to us teacher pe chadh jao jo 2 sahi se padha raha hai! I don't usually write these sort of comments and I am aware of the fact that Alakh sir is not perfect, but we have to make use with what we got instead of continuously begging for more!
I am in IIT bombay ryt now coz of pw and all the teachers i seen in this journey..........thanks to all
Sir sounded "Ek baar dekho , baar baar dekho" amazing....
Sir please please make a video on impulse, power and rocket propulsion please
Yes sir please 👏
Bhai ye to easy h bass momentum conservation lga ke kr dal
Rocket propulsion vdo baba diya hai
@@achintamanna5157 nahi banaya bee
It’s already there please check
Sir aapke liye hmesa dil se dua nikalti h ❤️❤️thank you so much sir ..May god fulfill your all dreams!😊😊
52:23 Its really Sunday today and I'm watching it at morning 😀
Me too
Same bro
Me too
Ab toh lockdown mein roj Sunday hi Sunday
@@imabhijit22 ha 😂 .. Lekin mera wala original sunday tha 😁😅
Thank you so much sir for making all tough concepts easy for us. You don't know what's your value in my life. Thanks
Woh sir amazing ur lecture and sir ur god because you can do anything in ur life
In which class you are ?
@@divyanshjoshi6260 bro neet ki preparation kr rha hu
@@RahulSoni-hm8zh Accha par konsi class me ho 11, 12 ya drop year
@@divyanshjoshi6260 12th dropper
At 59:00 how come there are two chiral centres because OH and OH are same groups attached to the same carbon anyone pls explain
he explained it, anyway if ur doubt is still not clear, its because when we consider one carbon to which the hydroxyl is attached we actually get a carbon which has one OH , H , and the RING ( now the ring is not at all symmetrical, it has got two different groups attached, the methyl group and the other hydroxyl group so we can treat them as two different groups denoted as X & Y ) ,,, hence the carbon has got one OH , H , X , Y hence its chiral , HAD it been two similar groups instead of one methyl and one hydroxyl there would not be any chirality, hope u understand, if not you can mail me paulroshan29@gmail.com or call me instead 9123323441 (WhatsApp number)
Bro the same mistake I've done too..
Notice carefully that both OH are not directly connected to the same carbon..
There are four different group present:-
1st 'OH group'
2nd 'H'
3rd 'carbon having CH3'
And 4th is 'carbon having another OH group attached to it..!'
Are, one is OH and another is CHOH. Simple😏..the substituents are...OH,H,CHCH3 and CHOH.😏..
@@dhruvbaghel466 thnx buddy u solved my doubt
Watch optical isomer #2 33:58🙂
Sir 1:2:44 me there is two oxygen surrounding by sulphur.so,how it can be optical active. Reply me sir, please 😍😍😍😍
Obviously that compound doesn't fulfill the criteria hence its neither chiral center nor optical active
Brw mera vi ye doubt he
Yes right bro
Yes
@You have wasted 2 seconds of your life reading it *bro
I am from lakshya neet 😀😍😍😍❣️
Sir, you do not know that you are the diamond in the coal mine really....and I am the big fan of your,😊😊😊😊😊😊😊😊
this person is so goddamn good
Sir ka tshirt bada cool hai....😂😍
yeahhh i too saw that shit
*(-shit)
Thanks sir for discussing the chapter so in depth
1:02:21 isme =0 two times h .....do same atoms hain... Toh fir ye molecule chiral kaise hua????
Ya it is not chiral
hands down the best optical isomerism method
CH3OSO3H kaise chiral hoga?
1:02:24..?
Arey nhi hoga