Which chemical process is responsible for the smell of vinegar in an old bottle of $\mathrm{aspirin}$?

Which characteristic of $C$ makes it especially suitable as the backbone for creating diverse and durable organic molecules?

Which of the following is most likely an organic compound?

Which of the following molecules corresponds to the monomer used to produce the polymer polyvinyl chloride (PVC)?

Which of the following compounds is classified as an ylide?

Which class of organic compounds is characterized by the general formula $R–X$, where $R$ is an alkyl group and $X$ is a halogen?

Which of the following molecules is an ester?

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

The $COOH$ group represents which functional group?