(a)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate two signals in
Explanation of Solution
The structure of the given compound is
The given compound has a plane of symmetry and thus has two chemically distinct protons indicated as
It is determined that the given molecule has two signals in
(b)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate five signals in
Explanation of Solution
The structure of the given compound is
The protons cis to chlorine atoms and those trans to chlorine atoms are diastereotropic. Thus, the compound has five chemically distinct protons indicated as
It is determined that the given molecule has five signals in
(c)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate eight signals in
Explanation of Solution
The structure of the given compound is
As the ring has two different substituents, all the protons are chemically non-equivalent. Thus, the compound has eight chemically distinct protons indicated as
It is determined that the given molecule has eight signals in
(d)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate four signals in
Explanation of Solution
The structure of the given compound is
In the given compounds, both ethyl groups are in different chemical environment. One is attached to oxygen and another to carbonyl carbon. Thus the compound has four chemically distinct protons indicated as
It is determined that the given molecule has four signals in
(e)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate two signals in
Explanation of Solution
The structure of the given compound is
In the given compounds, both ethyl groups are in the same chemical environment. Thus, the compound has two chemically distinct protons indicated as
It is determined that the given molecule has two signals in
(f)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate three signals in
Explanation of Solution
The structure of the given compound is
As the molecule is para disubstituted, it has a plane of symmetry passing through
It is determined that the given molecule has three signals in
(g)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate five signals in
Explanation of Solution
The structure of the given compound is
The molecule is meta disubstituted with different substituents and has no plane of symmetry; thus, all protons are chemically non-equivalent. Hence the compound has five chemically distinct protons indicated as
It is determined that the given molecule has five signals in
(h)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate five signals in
Explanation of Solution
The structure of the given compound is
The molecule is ortho disubstituted with different substituents and has no plane of symmetry; thus, all protons are chemically non-equivalent. Hence the compound has five chemically distinct protons indicated as
It is determined that the given molecule has five signals in
(i)
Interpretation:
The number of signals that would be generated in the
Concept introduction:
In
Answer to Problem 16.39P
The given molecule could generate six signals in
Explanation of Solution
The structure of the given compound is
The molecule is monosubstituted benzene; thus, there are three types of aromatic protons. The three methyl protons are in same chemical environment; thus they are identical. Hence the compound has six chemically distinct protons indicated as
It is determined that the given molecule has six signals in
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Chapter 16 Solutions
Organic Chemistry: Principles and Mechanisms (Second Edition)
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