Number of signals in Proton NMR Organic Spectroscopy (Part-2)|NMR Spectroscopy in Hindi|csirnet|gate

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[@JChemistry]

Tetrahydro furan will show 2 signals...since the Protons in each CH2 are enantiotopic

[@tapasbiswas6174]

Please mam share a video of thermodynamics and statistical thermodynamics videos

[@radhikamittal9079]

Ye linear chain main b 2 signal hi aayege mam.. plz check kerna

[@Dearwellwisher]

Ma'am, then what about 1,2 cyclopentadione? In that case also 2 is the answer or 4 as explained in the video

[@Dearwellwisher]

Also doubt in bycyclo 1,1,0 butane someone plz clarify 🙏

[@randomname4040]

Madam I feel where oxygen is in plane there it will be two types of proton

[@prashantpagare7027]

Very nice explanation... Good job Mam...one of the best platform for all aspirants of CSIR net exam and Gate exam also... Thankyou so much once again Mam

[@subhashisguha5677]

20:12 there will be 2 signals I guess, u did 4? Plz reply mam

[@rahulkumarkumar512]

Yes you are correct. There will be only 2 signals.

[@priyankakhatik6388]

Mem you teach very well and understand every term in a good way

[@lokeshchandrakar2641]

mam aapki teaching method aur aapki soberness bahut achha lgta hai simplicity , bahut achhi lgti aapki simplicity

[@monikarai2336]

बहुत शानदार

[@shiwanisharma4597]

Mam 11:20 pe jo solve karna start kiya hai question usme chcl ke saath wala diastereotopic hoga usse next to nahi hona chahiye

[@kirtigupta9060]

I think this is your first video, that I was unable to understand.

[@mindthechemistry4976]

Very easy method use for explaining
Awesome teaching

[@shrutisharma2745]

Mam there is doubt in question from time 22:11 till last 25:12

[@harshkhasale111]

thank you so much! meri degree aapke bharose nikalne wali hai!!!

[@sss12644]

22:03 please explain ..it is 2 signals right?

[@dheerajm8197]

Yes

[@sumittahlan2441]

Kya explanation dete ho aap
Big fan of you 🌹🌹🌹

[@topicwisestudy4771]

Thanks didu 😊😊😊

[@vishalmishra6213]

Thanks you mam 🙏🏻🙏🏻

[@pihurathore1102]

I have doubt In Q 16 and 19 . In Q 16 ...pos is present therefore 2 enantiotopic hydrogens and 2 disttreotopic but in Q 19 there are also 2 disttreotopic hydrogens which are not considered

[@mindfullness7607]

At 19:37 the molecule has plane of symmetry of the two hydrogen should be same mam

[@sanketmavawala2011]

Outstanding explaination..

[@samreenmalik6201]

Superb lecture

[@brainmemoryfacts5370]

Madam I want to know how to predict H NMR of sulfurous acid 2 ethyl hexyl isohexyl ester C14H30 O3S

[@yashtokle9933]

Maam at 20.14 in the eg of cyclopentan-1,2-dione all ch2 are enantiotopic due to which 1 signal and bisecting protons 2 diff signals so total signals must be 3 , isn't it , i have a doubt here ?

[@jyotisharma-sd1cj]

Bisecting protons ni hai yhan

[@swetapal1931]

Thnx..mam very well explained😊👍

[@hkaynarwal7831]

Thanks you so much yrr paper ke time syllabus complete krane k liye
🤗🤗

[@jyotigoyal3981]

Mam at 11:13 example 5; two methyl groups are present near to cl and third one is away from it...is it not so?

[@shivamshekharpandey2092]

Ma'am there are only two signals for THF but u had written 4 for it so why?

[@varshasharma5133]

Mam aap hmesha bhut acha explain krte ho .Maine aapki mostly sari videos dekhkr hi apne concept develop kiye hai but mam iss video me bhut sari confusion hai aapne c2axis khi li hai aur khi nhi li jbki axis of symmetry possible thi..aur answer me b .kuch confusion hai..I request mam plzz iss topic prr ek video bnna dijiye plzz mam bhut zada confusion horhi hai...

[@tarunalikhariya6114]

Yes...I also hove confusion about C2 axis....and in stereochemistry lectures mam told first to check C 2 axis and then PoS

[@romisingh1931]

12:40 around 9 signal nii; 8 hone chahiye kyuki dono ch3 ch2 se hi attached h n.

[@rohit022]

Yes 8 signals hoga

[@ambika773]

At 20:14, u said that 4 signal .But mam isme 3 signal ayenge ?

[@ritusheoran9480]

3 signal

[@namankumarbharti625]

Yep 3

[@rajkishorepatra9632]

Yes

[@kongkonaborah8625]

Yep 3, because the diastereotopic hydrogen s will show same signal

[@akshaythatar6952]

Bhai NMR ke liye kaunsa book padhate ho

[@lokeshpal1594]

Thank you mam

[@vatsalarya1561]

Explained really well

[@subhadipmukherjee5097]

awesome explained

[@sksingh9518]

crystal clear mam ji

[@preranagiradkar3708]

Thank you so very much ma'am 🙏🏻

[@buddhadebmondal5531]

If 2H atoms are beside a chiral centre then they are diastereotopic but if they are separated by more than one carbon then they becomes enantiotopic

[@BroSisWorldYouTube]

Please clarify this doubt

[@prachityagi5770]

Mam please explain 22:12 pr Apne ye kaise smjhaya eska to 4 signal aane chye na jab plane dalege to 4 aayge na 2 kaise aaye

[@sslearner2554]

Thank you mam good explanation

[@Itz_ronny07]

mam i could not understand clearly 😐😐😐

[@ritikupadhyay3019]

Great explanation

[@AmitKumar-mz8ql]

At 19:48 , according to you THF will give 4peaks but when i searched on Google i find out that it give only two peaks .

[@JChemistry]

Yes that's my mistake
The answer will be 2 only

[@AmitKumar-mz8ql]

Thank you mam.

[@rajeswarir2964]

Mam please teach in English yours explanation is well 👍👍👍.

[@AartiYogi-mz3eu]

❤❤

[@ritikpatel1684]

AWESOME MAM

[@muneerhussaindar]

13:30 expecting same 🤣🤣

[@pksir888]

Be continue.....💐💐💐💐👌

[@shailkumarisaxena1118]

Mam we don't need tricks.... We can understand and learn the concept......

[@sunitaprajapati8534]

Very nice mam ,mam Kya aap keval video upload karti h ki online padhati h

[@rajnirana7234]

At 21:40, All 4H are same becoz Dere is no chiral centre to make dem distereotopic. So total signal shld be two.
Plz dear clear my doubt...

[@yendavarunkumar6824]

you're right but there is 2 hydrogens above the plane&2 hydrogens below the plane.so they give separately 2 different signals

[@marshelrenold3128]

@yenda Varun Kumar
It doesnt matter if they are above the plane or below the plane they are homotopic

[@indu4287]

Stracture ko noming k sath btao na didi qki exam mostly naam diye rhte hai to please stracture k sath naam bhi btao alkane ka

[@dr.manjubala]

At 22.03, u say 3 signal but according to the POS both H bisect the plane and give 2 type of proton as u consider in tetrahydrofuran. plz explain it mam

[@VijayKumar-ec7ut]

If both H present on same carbon only we consider them as diastereotopic I think so

[@shwelpajadhav5905]

ma'am 1st u told to see whether the molecule has C2 or not...if C2 is present then u said do not look for POS ..but in examples of THF and uske baad wala bhi..usmai dono mai C2 hai...n u din't consider that...toh aise toh answer alag ayenge na maam

[@tanusridebhowmik9259]

THF seems to have 2 signal. I am also confused here.

[@05ayushshukla3]

Why in propane the middle carbon hydrogen has higher delta value?

[@subhendunayak]

Thanks Ma'am

[@kaushalsathvara5729]

13:09 example answer 7 signal
There will be mirror image in middle of the molecule

[@bonoshree8159]

No

[@bonoshree8159]

It's not mirror image see properly

[@jontykathuria4993]

At 21:57 if we see plane of symmetry then the two hydrogen should show different signal

[@komalsavaliya7046]

Jonty Kathuria I think same

[@factsblast3373]

Same doubt mam

[@riankadalal4969]

I have same dought. I think instead of 3 it may be 4 signals

[@abhinavpant9862]

nice observation

[@B.Ed_B.Sc_M.Sc.Chemistry_SET]

Thank you very much mam 😊

[@motivationfacts9283]

Tq mam

[@jagdishprasadyadav4215]

Ma'am 20:13 iss molecule mein C2 axis hai na...phir ye homotopic hone chahiye na

[@rajjusandhu6277]

Best mam

[@Vrindavan.dham25]

20:03 there must be 2 signals. Kindly check

[@englisbyn2525]

mam bhit sare example me doubt h ap plz ek lecture iske upr bna dijiye
ap c2 bhi consider nh kr rhe ho bhot confusion h mam plz help

[@shrutithakur5527]

Mam aapne jo 6th example right side board mein top mein draw kiye ch3ch2ch2ch2ch3 to usme mam dono side ke c2h5 ek hi signal denge na mam hum dono alag alag kyun le rhe hai I mean ch2 ke do aur CH3 ke do

[@muhammadfakharuzaman4164]

awesome

[@nikitasharma3869]

Thank you mam g

[@riankadalal4969]

Ma'am Great explanation, but I can't understand a 21.57 min why will it show 3 signals not 4 signals? Please explain

[@namankumarbharti625]

There should be 2 signals only
As the bridged carbon containing single H has connected to -CH2 groups on both sides so same environment 1 signal
And for non bridged Carbons, both are connected to -CH groups (bridged C) so again they have same environment so 1peak for them
So in total 2 peaks [1 for - CH2 groups(non bidged C atom) and 1 for -CH groups (bridged C atoms)
Hope you get it

[@krish.bhashyam]

Tetra hydro furan has 2 signals mam,not 4

[@JChemistry]

Yes , that's true

[@organicchemistrywithb.d.2117]

Mass spectroscopy ki problem please upload kariye mam

[@shilpareddy1637]

Madam 20.01 in that example signal are only 3 we get how 4 possible

[@rupaligutte9789]

mam muse mail kare answer of dimethylformaamide ke signal at rt and at 295

[@lovleenkaur2774]

Very helpful

[@moviesmazalatestmovie4230]

19:51 par jo example hain uska signal 2 aana chahiye na ki 4...
Ek pos paper ke plane se bhi jayega jo upar ke dono Hydrogen ko same batayega..
So two signal not 4..

[@JChemistry]

Yes..that's my mistake ...H in every CH2 are enantiotopic ...therefore will give same signal

[@weirdthings9203]

2 nhi 3 signal aayenge i think

[@englisbyn2525]

yes but there c2 is also present so why havent we r considering c2 plz answerr

[@anjuaneja383]

CYCLOBUTANE ka plz explain kro bridge valo ka different aega yaha to kunki bisect ho
rh h

[@Aloksingh-py1bj]

chemical enviourment is most importsnt thing .diasterotopic tbhi hoga jb chemically differet ho ..or vice versa...ok

[@fatimaAli-ug1fz]

Kindly primary secondary or tertiary alcohol ma no of signal ketny hn spliting kasy kindly bta dnn

[@himanshirohilla-ur8wn]

at 20.14 mam should not be there 2 signals ?...

[@akshykumr]

Kya 1 he hydrogen 2 signals de sakta h?? Possible h?

[@arpitasamantara5475]

Mam can you plzzz explain the eg. At 22.48

[@organicchemistry7057]

Thanks mam.....

[@Binti25]

Cyclopentane also has plane of symmetry and two H's on the one corner are being cut by plane of symmetry then how come it shows only 1 signal???

[@asiyahmajeed9418]

Enantiotopic ni hoga wo to diastereotopic hoga na... q k chiral center jab banta h to wo diastereotopic ban jata h

[@snehaaich666]

If I were 2 give feedback here....go slow n speak clearly or rather remove background noises....on the other hand,I understood...thanks 2 my tuition classes.. previously,I missed certain parts in my class,so that's why I came here....if I would have watched this in the first place,I may not hv understood...I meant both were equally needed...
Now I'm pressing enter button,I knw noone will read my comment 😂😂

[@keshavlalit1555]

Mam, 2-chlorobutane me book me 4 signals diye h kya ye sahi h? If it is correct then tell me please how.

[@sangeeta9598]

Mam why neopently chloride do not split please reply anyone????

[@saurabhkumar5469]

How many signals will it have in toluin , ma'am

[@maulikchandera5930]

Good job...

[@polashborah8662]

Cyclobutane mein to POS dono protons ko bisect kar raha hein toh wahaan par dono protons k same single kyun aaye?

[@shalinigupta7404]

Mam aap clear ny bolte aur jo likhte ho wo v clear ny hy baki explanation mast hy

[@amitkumarguin6759]

You said that 2 protons of cis stilbene is enantiotopic...but cis stilbene has c2 axis..so why it is not homotopic?

[@neha-jj8lp]

mam
how many signal does propene give?

[@khushigupta11900]

CH3-CH2-OH k kitne signals honge mam? ... Please answer

[@Binti25]

3

[@dipankarboruah6495]

Mam please make videos on structure determination.

[@JChemistry]

I'll be solving previous year questions of spectroscopy soon ..from there you can learn structure determination too

[@sahutech7621]

Mam cis trans kese dekhte h

[@rajkishorepatra9632]

Mam tetra hydro furan gives 2signals instead of 4

[@JChemistry]

Yes

[@mannatkhan9107]

net csir me first exam me only subject hi aata h kya

[@dikshasingh9400]

Plz upload raman spectroscopy's vdo

[@JChemistry]

Sure :)

[@prasanjeetkumarpatar1088]

8:38 me 4 signal hoga

[@sheetalnatekar1346]

Didi please send me the written notes for spectroscopy for MSC 3rd semester

[@anuragverma3317]

Theek hai 😁😁😁

[@Ganirage]

For THF there supposed to be 2 signals, you are explaining it as 4 can you please elaborate

[@Ganirage]

Sry now I saw your comment 👍

[@luvmakwana3844]

🔥🔥🔥👍🏻

[@shubhamdubey4415]

Mam Mike ka use kriye awaz shi nhi smjh me Aa rhi hai

[@manglamchaudhary9435]

Ap ka notes mil jayega massbauer ka mem