Functional Groups I

The compounds whose structures are shown below, incorporate a variety of functional groups. The questions on the right ask you to identify which compounds have a specific functional group. For each compound that has the designated group, enter the appropriate number (shown in green) in the answer box. The aromatic rings should not be counted as double bonds.
Do not enter superfluous characters, since they will be counted as incorrect answers.

A. Which have carbon-carbon double bonds? B. Which have a ketone carbonyl group? C. Which have an aldehyde carbonyl group? D. Which have amino groups? E. Which have aromatic rings? F. Which have a hydroxyl group? G. Which have ether groups? H. Which have an ester group? I. Which have an amide group? J. Which have a carboxylic acid group?

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