Which of the following functional groups contains $N$?

Which of the following organic molecules contains both an $\text{amine}$ group and a $\text{carboxyl}$ group?

The $COOH$ group represents which functional group?

Which of the following compounds is considered organic?

Which type of organic compound generally stores the most chemical energy per $g$, and which stores the least?

An IR spectrum shows a strong, broad absorption around $3300–3500cm-1$ and a sharp absorption near $1700cm-1$. Which functional group is most likely present?

Which of the following functional groups contains a triple bond $\equiv$?

In a $\mathrm{carbonyl}$ group, how many lone pairs of electrons does the $O$ atom possess?

Which of the following formulas represents an organic compound?