Draw the NMR Spectrum of ethanol

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chemistNATE

chemistNATE

Күн бұрын

Пікірлер: 40
@aa07011
@aa07011 4 жыл бұрын
The OH signal is all the way to the right when it's very concentrated with alcohol. The spectrum you showed is for 10% alcohol and 90% solvent. The more diluted, the more the OH signal shifts upfield to the left.
@MunsKi
@MunsKi 2 жыл бұрын
so we are sending radiowaves to a solution bec we cannot do it in a single molecule.. thanks for clarifying
@tsshmattb
@tsshmattb 8 жыл бұрын
thanks for the explanation, I was having alkynes of trouble with NMR interpretation.
@ralphchen5660
@ralphchen5660 6 жыл бұрын
Same here. I am not alkene on doing these darn NMR analyses in my ochem labs.
@samh6479
@samh6479 5 жыл бұрын
Same! After this video, we alkane do H NMR analysis.
@1965dsk
@1965dsk 7 жыл бұрын
The spectrum explained was for impure ethanol.I also request you to explain the NMR of PURE SAMPLE OF ETHANOL .
@anamarbab4644
@anamarbab4644 4 жыл бұрын
Can u help me plz
@flow4458
@flow4458 3 жыл бұрын
@@anamarbab4644 You gotta say with what, honey.
@jonathanlalrintluanga4737
@jonathanlalrintluanga4737 6 жыл бұрын
I have exam today on this subject. I love you man... 😘😘😘
@rekhachoudhary5666
@rekhachoudhary5666 3 жыл бұрын
Sir you explained well....
@devinlewis5116
@devinlewis5116 6 жыл бұрын
Is it possible SDBS could be incorrect? Literally every other H-NMR spectrum I look up for ethanol has the O-H hydrogen at just under 5 ppm.
@spotsies
@spotsies 6 жыл бұрын
Note that the distance the peaks appear varies based on the strength of the applied magnetic field, that's my guess why. Using a magnetic field of about 500MHz, the hidroxyl H appears between 5.5 and 5.0 ppm, as opposed the spectrum showed by him was made using abour 89.56MHz.
@devinlewis5116
@devinlewis5116 6 жыл бұрын
I asked my O Chem professor and he said that both spectra are correct, it is actually the difference between the solvents used. Deuterated chloroform will give the spectrum that SDBS provides, and d-6 DMSO gives the O-H hydrogen around 5 ppm.
@saikrishnanep2591
@saikrishnanep2591 3 жыл бұрын
like my friend teaches me, and not another big professor. cool man!
@elielromero
@elielromero 3 жыл бұрын
There are some effects like the presence of solvents.
@anjanagopinadh
@anjanagopinadh 3 жыл бұрын
Why OH peak is not observed at far position from TMS? Is it more deshielding proton ryt???
@aroojshahid5658
@aroojshahid5658 7 жыл бұрын
why did you applied n+1 rule for the peak splitting?
@strongbodystrongmiind
@strongbodystrongmiind 5 жыл бұрын
Arooj Shahid tells you the amount of splitting
@strongbodystrongmiind
@strongbodystrongmiind 5 жыл бұрын
*neighboring hydrogens
@Neobiology
@Neobiology 2 жыл бұрын
How many proton signals do you expect in the PMR spectra of c2h5oh
@kumar_aashish9237
@kumar_aashish9237 4 жыл бұрын
What is the spectrum of ch3och3 (dimethyle ether)
@joelaryea8988
@joelaryea8988 7 ай бұрын
Please the H on the O shows splitting with the adjacent H so I'm confused 😕 . It shows a triplet
@ngstudentsvlog113
@ngstudentsvlog113 3 жыл бұрын
Thank you bro
@therealshedrack
@therealshedrack 7 жыл бұрын
thanks for the explanation
@nickthetechy9397
@nickthetechy9397 5 жыл бұрын
Good
@anubhab1525
@anubhab1525 4 жыл бұрын
Thanks a lot!
@Lacrossefreak3696
@Lacrossefreak3696 8 жыл бұрын
Thanks for the help!
@trivenibandi5984
@trivenibandi5984 6 жыл бұрын
Thanks sir. It helped me.
@Medi-Nor
@Medi-Nor 7 жыл бұрын
I used to watch ur videos for chem 1 and 2 I got A's in both classes, now I'm taking orgo I'm struggling.
@sabirkhannawaz2044
@sabirkhannawaz2044 8 жыл бұрын
thanks
@Medi-Nor
@Medi-Nor 6 жыл бұрын
U the best
@madhvisaini74
@madhvisaini74 5 жыл бұрын
Thanks for your explanation #galbeautyattitude
@ryandward
@ryandward 8 жыл бұрын
Your terminology is off. Split twice means 1->2->4. Split three times 1->2->4->8
@kokilakoki6285
@kokilakoki6285 3 жыл бұрын
Tamil ah explain pannunga
@nausheenquraishee1446
@nausheenquraishee1446 6 жыл бұрын
Pls explain in hindi
@yizzlephysiq1250
@yizzlephysiq1250 6 жыл бұрын
lern englesh
@tabithatcheau1571
@tabithatcheau1571 5 жыл бұрын
In general, why is H bonded to O so downfield?
@GoodFeelingsOnly
@GoodFeelingsOnly 5 жыл бұрын
Oxygen is a very electronegative atom, so it causes a deshielding effect on the H bonded to it (meaning it pulls all the electrons closer to him).
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