Which of the following lists correctly identifies the atoms present in the four major organic functional groups: alcohol, aldehyde, carboxylic acid, and amine?

Which of the following compounds contains an aldehyde functional group?

Which of the following is not a functional group that can bond with carbon?

Most organic compounds contain carbon ($C$) and which other element as a primary component?

Which functional group is present in the molecule ${\mathrm{CH}}_3-\mathrm{COOH}$?

Which of the following correctly describes ways in which $carbon$ skeletons can vary in organic molecules?

Which of the following functional groups can pick up protons and raise the $\mathrm{pH}$ of the surrounding solution?

A molecule with the formula $C_{18}{H}_{36}{O}_2$ is probably a:

Which of the following is the correct condensed structural formula for heptanoic acid, a carboxylic acid used to form esters with a grape-like aroma?