Concept explainers
Interpretation:
The following compounds are to be matched with their respective IR spectra.
(a)
(b)
(c)
(d) dipropyl ether
(e)
(f) cyclohexane
(g)
Concept introduction:
The IR spectrum of a compound shows absorptions at different frequencies. These absorption frequencies depend upon the bond stretching frequency of the bonds in molecule.
Answer to Problem 12.27AP
The matching of the given compounds with their respective IR spectra is shown in the table below.
Compounds | IR spectra |
a. |
|
b. |
|
c. |
|
d. dipropyl ether | |
e. |
No IR spectrum available. |
f. cyclohexane | |
g. |
No IR spectrum available. |
Explanation of Solution
(a) The given compound is
Figure 1
In the IR spectra of
Figure 2
(b) The given compound is
Figure 3
In the IR spectra of
Figure 4
(c) The given compound is
Figure 5
In the IR spectra of
Figure 6
(d) The given compound is dipropyl ether,
Figure 7
(e) The IR spectrum for
(f) The given compound is cyclohexane as shown below.
Figure 8
In the IR spectra of cyclohexane, a strong absorption peak for
Figure 9
(g) The IR spectrum for
(a) The spectrum 2 corresponds to the compound,
(b) The spectrum 5 corresponds to the compound,
(c) The spectrum 4 corresponds to the compound,
(d) The spectrum 1 corresponds to the compound, dipropyl ether.
(e) There is no spectrum available for the compound,
(f) The spectrum 3 corresponds to the compound, cyclohexane.
(g) There is no spectrum available for the compound,
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Chapter 12 Solutions
ORGANIC CHEMISTRY (LL)+ SAPLING ACC >BI
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