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Mobile App Chapter 14: Q.21558-14-48P (page 563)
Question: How many 13C NMR signals do each compound exhibit?
Short Answer
Answer
a. Five
b. Three
c. Seven
d. Three
e. Seven
f. Five
g. Four
h. Three
Step by step solution
Step 1: 13C NMR spectroscopy
13C Spectroscopy gives the high value of chemical shift signal when the carbon-13 is present in the vicinity of the electron-withdrawing groups.
13C Spectroscopy gives the low value of chemical shift signal when the carbon-13 is present in the vicinity of the electron-rich groups.
Explanation
The different signals of 13C spectroscopy are represented as:
a.
It has five signals due to the presence of five different 13C .
13C signal
b.
It has three signals due to the presence of three different 13C .
13C signal
c.
It has seven signals due to the presence of seven different 13C .
13C signal
d.
It has three signals due to the presence of three different 13C .
13C signal
e.
It has seven signals due to the presence of seven different 13C .
13C signal
f.
It has five signals due to the presence of five different 13C .
13C signal
g.
It has four signals due to the presence of four different 13C .
13C signal
h.
It has three signals due to the presence of three different 13C
13C signal
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