Identify the structure of the compound having the following molecular formula, IR, and 1H NMR spectra (integrals and multiplicity shown in the boxes: s-singlet, d-doublet, t-triplet, q-quartet, etc.). Label the spectra with the information (functional groups, number of protons, formula,Compound formula. C4H8OQuestions to help you decide the structure. What is the element of unsaturation of the molecular formula? Show the math you use:What are the functional groups present in this molecule? Show all of them below:Draw at least two possible structures that have the required element of unsaturation as well as the observed functionalBased on the 1H NMR above, what molecular fragmentations do you seeDraw your final decision of the structure below: Compound formula. C4H3O90IR8070605040302010-0-4000350030002500200015001000500Wavenumbers (cm-1)% Transmittance2965.212879.492821.372721.471727.431461.211388.311268.951216.48 S1119.851048.12995.89962.68781.48520.13 3H, t1Η ΝMRTMS2H, t 2H, m (6)1H, t108.74LO-CO

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Answered: Identify the structure of the compound…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter29: Mass Spectrometry

Section: Chapter Questions

Problem 29.5QAP

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Identify the structure of the compound having the following molecular formula, IR, and ¹H NMR spectra (integrals and multiplicity shown in the boxes: s-singlet, d-doublet, t-triplet, q-quartet, etc.). Label the spectra with the information (functional groups, number of protons, formula,

Compound formula. C₄H₈O

Questions to help you decide the structure.

What is the element of unsaturation of the molecular formula? Show the math you use:
What are the functional groups present in this molecule? Show all of them below:
Draw at least two possible structures that have the required element of unsaturation as well as the observed functional
Based on the ¹H NMR above, what molecular fragmentations do you see
Draw your final decision of the structure below:

Compound formula. C4H3O
90
IR
80
70
60
50
40
30
20
10
-0-
4000
3500
3000
2500
2000
1500
1000
500
Wavenumbers (cm-1)
% Transmittance
2965.21
2879.49
2821.37
2721.47
1727.43
1461.21
1388.31
1268.95
1216.48 S
1119.85
1048.12
995.89
962.68
781.48
520.13

3H, t
1Η ΝMR
TMS
2H, t 2H, m (6)
1H, t
10
8.
7
4
LO
-CO

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