Can someone help me determine the compound and match the signals?

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter13: Nuclear Magnetic Resonance Spectroscopy
Section13.7: Chemical Shift
Problem 13.5P: Following are two constitutional isomers with the molecular formula C4H8O2. (a) Predict the number...
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Can someone help me determine the compound and match the signals? 

3. Calculate the Degree of Unsaturation for a compound with molecular formula CH₂O₂ and
propose a structure that is consistent with the NMR spectrum below. Number the unique
sets of protons and assign these numbers to the corresponding signals. Note that there are
2 signals overlapping at 7 ppm.
舞
10
7.8
7:1
IH
pagam
-3.909
ppm
Transcribed Image Text:3. Calculate the Degree of Unsaturation for a compound with molecular formula CH₂O₂ and propose a structure that is consistent with the NMR spectrum below. Number the unique sets of protons and assign these numbers to the corresponding signals. Note that there are 2 signals overlapping at 7 ppm. 舞 10 7.8 7:1 IH pagam -3.909 ppm
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