With reference to the H-NMR spectra given below, answer the following: For the starting material, there are three signals in the aromatic region at 7.1 ppm, 7.3 ppm and 7.5 ppm (with relative integration of 1:2:2 respectively) Removed by DyO shake Fill in the following table: * For proton (d) list two possible multiplicities Proton Chemical shift (ppm)| Relative Integration Multiplicity (predicted)* Label a Type response here Type response here Type response here b Type response here Type response here Type response here c Type response here Type response here Type response here d Type response here Type response here Type response here Type response here Type response here Type response here e

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
Chapter17: Applications Of Infrared Spectrometry
Section: Chapter Questions
Problem 17.4QAP
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With reference to the H-NMR spectra given below answer the following:
For the starting material, there are three signals in the aromatic region at 7.1 ppm, 7.3 ppm
and 7.5 ppm (with relative integration of 1:2:2 respectively)
Removed by
DyO shake
Fill in the following table:
* For proton (d) list two possible multiplicities
Proton Chemical shift (ppm) | Relative Integration
Label
Multiplicity (predicted)*
a Type response here Type response here Type response here
b Type response here Type response here Type response here
c Type response here Type response here Type response here
d Type response here Type response here Type response here
e Type response here Type response here Type response here
Transcribed Image Text:With reference to the H-NMR spectra given below answer the following: For the starting material, there are three signals in the aromatic region at 7.1 ppm, 7.3 ppm and 7.5 ppm (with relative integration of 1:2:2 respectively) Removed by DyO shake Fill in the following table: * For proton (d) list two possible multiplicities Proton Chemical shift (ppm) | Relative Integration Label Multiplicity (predicted)* a Type response here Type response here Type response here b Type response here Type response here Type response here c Type response here Type response here Type response here d Type response here Type response here Type response here e Type response here Type response here Type response here
iii.
iv.
What is the predicted multiplicity (and integration) for the proton labelled as H(c)?
Type response here
What is the predicted multiplicity (and integration) for the proton labelled as H(d), if we
assume that the coupling constants are different (Jod Joe)?
Type response here
What is the predicted multiplicity (and integration) for the proton labelled as H(d) if we
assume that the two coupling constants are equivalent (Jed = Jao)?
Type response here
What is the predicted multiplicity (and integration) for the proton labelled as H(e)?
Type response here
Transcribed Image Text:iii. iv. What is the predicted multiplicity (and integration) for the proton labelled as H(c)? Type response here What is the predicted multiplicity (and integration) for the proton labelled as H(d), if we assume that the coupling constants are different (Jod Joe)? Type response here What is the predicted multiplicity (and integration) for the proton labelled as H(d) if we assume that the two coupling constants are equivalent (Jed = Jao)? Type response here What is the predicted multiplicity (and integration) for the proton labelled as H(e)? Type response here
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