Concept explainers
(a)
Interpretation:
The compound from given spectra is to be identified.
Concept Introduction:
In the IR spectroscopy, change in the dipole moment produces absorption of energy. All the functional group have different absorption frequency based on which they can be differentiated. For carbonyl
Answer to Problem 21.55AP
The structure of compound is shown below.
Explanation of Solution
The odd molecular mass of the compound indicates that it contains odd number of nitrogen atoms. Hydroxamate test is given by esters. So, compound contains ester group. The IR band at
Figure 1
The given compound is ethyl cyanoacetate.
(b)
Interpretation:
The compound from given spectra is to be identified.
Concept Introduction:
In the IR spectroscopy, change in the dipole moment produces absorption of energy. All the functional group have different absorption frequency based on which they can be differentiated. For carbonyl
Answer to Problem 21.55AP
The structure of given compound is shown below.
Explanation of Solution
The given compound gives IR absorption peak at
Figure 2
The given compound is propyl propanaote.
(c)
Interpretation:
The compound from given spectra is to be identified.
Concept Introduction:
In the IR spectroscopy, change in the dipole moment produces absorption of energy. All the functional group have different absorption frequency based on which they can be differentiated. For carbonyl
Answer to Problem 21.55AP
The structure of given compound is shown below.
Explanation of Solution
The strong absorption peak in IR at
Figure 3
The given compound is
(d)
Interpretation:
The compound from given spectra is to be identified.
Concept Introduction:
In the IR spectroscopy, change in the dipole moment produces absorption of energy. All the functional group have different absorption frequency based on which they can be differentiated. For carbonyl
Answer to Problem 21.55AP
The structure of given compound is shown below.
Explanation of Solution
The two molecular ion peaks at
Figure 4
The given compound is
(e)
Interpretation:
The compound from given spectra is to be identified.
Concept Introduction:
In the IR spectroscopy, change in the dipole moment produces absorption of energy. All the functional group have different absorption frequency based on which they can be differentiated. For carbonyl
Answer to Problem 21.55AP
The structure of given compound is shown below.
Explanation of Solution
The compound has odd molecular mass which indicates the presence of nitrogen atom. The IR absorption peak at
Figure 5
The given compound is
(f)
Interpretation:
The compound from given spectra is to be identified.
Concept Introduction:
In the IR spectroscopy, change in the dipole moment produces absorption of energy. All the functional group have different absorption frequency based on which they can be differentiated. For carbonyl
Answer to Problem 21.55AP
The structure of given compound is shown below.
Explanation of Solution
The absorption in IR at indicates the presence of amide group and at
Figure 6
The given compound is
(g)
Interpretation:
The compound from given spectra is to be identified.
Concept Introduction:
In the IR spectroscopy, change in the dipole moment produces absorption of energy. All the functional group have different absorption frequency based on which they can be differentiated. For carbonyl
Answer to Problem 21.55AP
The structure of given compound is shown below.
Explanation of Solution
The odd molecular mass of the compound indicates it contains nitrogen atom. The IR absorption peak at
Figure 7
The given compound is
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Chapter 21 Solutions
Organic Chemistry
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- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning