When D2O is added, the OH singlet peak disappears but what bond would you consider the hydrogen on the second carbon to be? A HC-O bond or a HC-C =O bond?
so the chemical shift value will just be in between the two functional groups then?
Thanks
Nope, each group separately causes the chemical shift to be greater than for protons in an alkane. So when both groups are present these effects combine and the shift is higher than either of the functional groups would be on their own.
Nope, each group separately causes the chemical shift to be greater than for protons in an alkane. So when both groups are present these effects combine and the shift is higher than either of the functional groups would be on their own.
As an estimate it would be around 5ppm so just a bit above where a proton next to an alcohol would be. The sorts of tables they give you at a level you can only ever be approximate and even computers aren't that great at predicting chemical shifts for molecules that aren't really simple!
As an estimate it would be around 5ppm so just a bit above where a proton next to an alcohol would be. The sorts of tables they give you at a level you can only ever be approximate and even computers aren't that great at predicting chemical shifts for molecules that aren't really simple!