E. explain each step with words on how to get the structure.Step 1: Calculate the Index of Hydrogen Deficiency (IHD).Step 2: Use IR to determine obvious functional groups.Step 3: Use 1H-NMR to determine structural details. Step 4: Confirm the final structure using 13C-NMR. 5) CH,2013C NMRIRppm100199.61159.85126.868036.1134.406032.8327.71%T402020003000200015001000500 40020015010050IR2010-8798STKWavenumber[cm-1]CR20100212ONSppm1Η ΝMRAssign. Shift(ppm)A6.659В5.8362.4551.873E1.169TMS2211Impurity7432

Answered: Image /qna-images/answer/4057eddd-0af7-43f4-891a-5d752e644525.jpg

5) C3H120 13C NMR IR ppm 100 199.61 159.85 126.86 80 36.11 34.40 60 32.83 27.71 %T 40 20 4000 3000 2000 Wavenumberlcm-1) 1500 1000 500 400 200 150 100 50 IR2010-87985TK CR201002120NS ppm 1Η NMR Assign. Shift(ppm) A 6.659 В 5.836 C 2.455 1.873 E 1.169 TMS 2 2 1 1 Impurity 7 6 2 1 Ho

5) C3H120 13C NMR IR ppm 100 199.61 159.85 126.86 80 36.11 34.40 60 32.83 27.71 %T 40 20 4000 3000 2000 Wavenumberlcm-1) 1500 1000 500 400 200 150 100 50 IR2010-87985TK CR201002120NS ppm 1Η NMR Assign. Shift(ppm) A 6.659 В 5.836 C 2.455 1.873 E 1.169 TMS 2 2 1 1 Impurity 7 6 2 1 Ho

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter8: An Introduction To Optical Atomic Spectrometry

Section: Chapter Questions

Problem 8.2QAP

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Question

E. explain each step with words on how to get the structure.

Step 1: Calculate the Index of Hydrogen Deficiency (IHD).

Step 2: Use IR to determine obvious functional groups.

Step 3: Use 1H-NMR to determine structural details.

Step 4: Confirm the final structure using 13C-NMR.

5) CH,20
13C NMR
IR
ppm
100
199.61
159.85
126.86
80
36.11
34.40
60
32.83
27.71
%T
40
20
2000
3000
2000
1500
1000
500 400
200
150
100
50
IR2010-8798STK
Wavenumber[cm-1]
CR20100212ONS
ppm
1Η ΝMR
Assign. Shift(ppm)
A
6.659
В
5.836
2.455
1.873
E
1.169
TMS
2
2
1
1
Impurity
7
4
3
2

Definition Definition Group of atoms that shape the chemical characteristics of a molecule. The behavior of a functional group is uniform in undergoing comparable chemical reactions, regardless of the other constituents of the molecule. Functional groups aid in the classification and anticipation of reactivity of organic molecules.

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