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what is the litreture
value for enthalpy of enolization
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∙ 11y ago
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Where does water show up in a proton NMR spectrum?
about 1.6 ppm, but you don't always see it
What type of molecule is acetylacetone?
Ketone
What is the difference between NMR and FT- NMR instrumentation?
NMR Spectroscopy Use molecule Structure FT NMR Use Different No. of mass Structure
How do you interpretation a cosy nmr?
cosy is a one of 2D-NMR technique
What causes a multiplet in proton NMR?
Adjacent carbons have more than one H atom which causes splitting of peaks in the spectrum. Multiple peaks corresponding to one or more magnetically equivalent atoms are multiplets
What are the Factors which cause defects in NMR spectrum?
The main factor is the presence of water. If the sample is NOT fully dried of water it will cause a big 'spike' in the spectrum .
How do you calculate the number of protons from NMR spectrum?
Answering "http://wiki.answers.com/Q/How_do_you_calculated_the_percentage_of_an_isomer_using_proton_nmr"
Where does water show up in a proton NMR spectrum?
about 1.6 ppm, but you don't always see it
What type of molecule is acetylacetone?
Ketone
What is an acetylacetonate?
An acetylacetonate is a salt of the enol form of acetylacetone.
In the H NMR spectrum why does 1 2-dichloroethane show up as a singlet and not a triplet?
The molecule is symmetric so all protons are equivilent. Equivilent protons cannot couple with each other, so the spectrum is a singlet.
What is the difference between NMR and FT- NMR instrumentation?
NMR Spectroscopy Use molecule Structure FT NMR Use Different No. of mass Structure
How will you distinguish between chloroform and carbon tetrachloride?
Well, they smell different, but boiling point, index of refraction, NMR or IR spectrum would be safer and more reliable methods.
How do you interpretation a cosy nmr?
cosy is a one of 2D-NMR technique
When was Journal of Biomolecular NMR created?
Journal of Biomolecular NMR was created in 1991.
What causes a multiplet in proton NMR?
Adjacent carbons have more than one H atom which causes splitting of peaks in the spectrum. Multiple peaks corresponding to one or more magnetically equivalent atoms are multiplets
Returned Mail came back with stamps crossed out and NMR written on the envelope What is NMR?
no mail recepticle
