
Concept explainers
a)
Interpretation:
IR absorptions for the molecules are interpreted and stated.
Concept introduction:
IR absorption is used to identify the

Answer to Problem 12VC
The molecules IR absorptions is 3100,1730,1450,1600 and 1540 cm-1.
Explanation of Solution
a) In the molecule C-H stretch shows an absorption at 3100 cm-1 , C=C
The molecules IR absorptions is 3100,1730,1450,1600 and 1540 cm-1.
b)
Interpretation:
IR absorptions for the molecules are interpreted and stated.
Concept introduction:
IR absorption is used to identify the functional groups of the molecule.

Answer to Problem 12VC
The molecules IR absorptions is 2850-2960,1715,920 cm-1.
Explanation of Solution
In the molecule
The molecules IR absorptions is 2850-2960,1715,920 cm-1.
c)
Interpretation:
IR absorptions for the molecules are interpreted and stated.
Concept introduction:
IR absorption is used to identify the functional groups of the molecule.

Answer to Problem 12VC
The molecules IR absorptions is 2850-2960,1715,3500 cm-1.
Explanation of Solution
In the molecule alkane C-H stretch shows an absorption at 2850-2960 cm-1 , O-H stretching at 3500 cm-1. The carbonyl C=O shows an absorption at 1715 cm-1.
The molecules IR absorptions is 2850-2960,1715,3500 cm-1.
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Chapter 12 Solutions
EBK ORGANIC CHEMISTRY
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