For each structure shown on the left determine whether an ab

For each structure shown on the left, determine whether an absorption for the functional groups shown in the table will be present in its infrared spectrum. Write the expected frequencies (in cm^-1) in the appropriate boxes underneath the name of each functional group in the table.

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Solution

4

5

------

------

1690

1620-1640

1630 AND 1610

structure	-CHO	-OH	KETONE	SUBSTITUED BENZENE	C=C
1	1680-1660	--	---	690-710 AND730-770	1620
2	---	----	1720	840	---
3		3600			1640
4 5	------	-----	------ 1690	860	1620-1640 1630 AND 1610