Propose one possible structure for each of the following based on the spectra provided. Use the Rule of 13 to find a formula for any questions that only provide the Molecular Weight. Also to perform an IHD calculations.Fully interpret the IR spectra to justify the structure you have chosen. 1. Molecular Weight = 44; with 10INFRARED SPECTRUM0.80.60.40.2300020001000Wavenumber (cm-1)2. Molecular Weight: 113; with 1 N (all other atoms are C and H)0.80.4300010002000Wavenumber (cm-1)TransmitanceTransmitance 3. Given Formula: C11H20070504030008WAVENUMBERS000100700+009008100072600 24000087009E3200 3000008E000101727 cm³N09080613900L12114.5.54.5SNOHJIW3.52.5 2.6 2.7 2.8 2.9 3

The rule of 13: M13=n+r13 where M: molecular weight Formula is CnHn+r Index of Hydrogen Deficiency…

1. Molecular Weight = 44; with 1 0 INFRARED SPECTRUM 0.8 0.6 0.4 0.2 2000 Wavenumber (cm-1) 3000 1000 2. Molecular Weight: 113; with 1 N (all other atoms are C and H) 0.8 0.4 2000 Wavenumber (cm-1) 3000 1000 Transmitance Transmitance

1. Molecular Weight = 44; with 1 0 INFRARED SPECTRUM 0.8 0.6 0.4 0.2 2000 Wavenumber (cm-1) 3000 1000 2. Molecular Weight: 113; with 1 N (all other atoms are C and H) 0.8 0.4 2000 Wavenumber (cm-1) 3000 1000 Transmitance Transmitance

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

Chapter19: Nuclear Magnetic Resonance Spectroscopy

Section: Chapter Questions

Problem 19.13QAP

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Concept explainers

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.

Question

Propose one possible structure for each of the following based on the spectra provided. Use the Rule of 13 to find a formula for any questions that only provide the Molecular Weight. Also to perform an IHD calculations.Fully
interpret the IR spectra to justify the structure you have chosen.

1. Molecular Weight = 44; with 10
INFRARED SPECTRUM
0.8
0.6
0.4
0.2
3000
2000
1000
Wavenumber (cm-1)
2. Molecular Weight: 113; with 1 N (all other atoms are C and H)
0.8
0.4
3000
1000
2000
Wavenumber (cm-1)
Transmitance
Transmitance

3. Given Formula: C11H200
70
50
40
30
008
WAVENUMBERS
0001
007
00+
009
0081
0007
2600 2400
0087
009E
3200 3000
008E
000
10
1727 cm³
N
09
08
06
13
9
00L
12
11
4.
5.5
4.5
SNOHJIW
3.5
2.5 2.6 2.7 2.8 2.9 3

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