Which molecule is consistent with the spectra?
Which molecule is consistent with the spectra?
Interpreting NMR spectra
Which molecule is consistent with the spectra?
Why is methyl ethanoate clearly not the correct option?
What data lets us differentiate between methanoic acid and ethyl methanoate.
What simple lab test would confirm that an ester was present?
What wet test could be used to confirm that a carboxylic acid was present.
What is the positive results of this test?
Peak 1 | Peak 2 | Peak 3 | |
|---|---|---|---|
Environment A | |||
Envoronment B | |||
Environment C |
Environment 1
Environment 2
Environment 3
Analyse the spectrum to determine whether this is a spectrum for proponone or propanal.
How could you confirm your conclusion using mass spectra?
What wet tests could you use and what would the results of the test be?
What physical test could you use and how could you use the results to conform your conclusion?
NMR analysis question
MS.
Origin/start line shown above bottom of paper (1)
Straight line for solvent front added and labelled (1)
Spot due to ethyl-3-oxobutanoate in position consistent with Rf between 0.4 and 0.5 (1)
