Problem #4: Unknown molecule with formula C₂H₂O₂ (Also, smells like vomit) Which of these molecules best corresponds to the IR spectrum below? • mi re & ve gon a) b) c) H3C d) e) HO OCH3 OH X HO

Problem #4: Unknown molecule with formula C₂H₂O₂ (Also, smells like vomit) Which of these molecules best corresponds to the IR spectrum below? • mi re & ve gon a) b) c) H3C d) e) HO OCH3 OH X HO

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL2: Mass Spectrometry

Section: Chapter Questions

Problem 9CTQ

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Concept explainers

Analyzing and Predicting Spectroscopic Data

The interaction of electromagnetic radiation with the structure of molecules in the sample and their study is referred spectroscopy. Several spectroscopic methods are used to acquire sample information, and these methods are proved to be accurate, fast, and non-destructive. The information obtained about the content and composition of molecules from these spectroscopic methods is called spectroscopic data.

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Problem #4: Unknown molecule with formula
C₂H₂O₂ (Also, smells like vomit)
8
Which of these molecules best corresponds to the IR spectrum below?
&
a)
0
00
0.6
0.4
0.2
0.0
b)
C₂H₂O₂
3000
OH
c)
d)
HO
W
2000
number (cm-
e) HO
1000
OCH3
X

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Step 1: Determination of double bond equivalence (DBE)

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Step 2: Calculation of DBE

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Step 3: Analysis of IR spectrum

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