Functional Groups in Chemistry Practice Problems

What is the possible structure of a compound with a chemical formula of C₅H₁₀O and contains an aldehyde functional group?

Propose a structure for a compound that has a chemical formula of C₂H₄O₂ and a carboxylic acid.

Consider the molecular model shown below. Draw its skeletal formula and name the functional groups present in the compound.

(Gray = C; white = H; Red = O; Yellow = S)

Which of the following is a four-carbon alcohol?

Which of the following six-carbon molecules is an example of an ether?

The structure of foretinib is shown below. Name all the functional groups present in the molecule.

Which of the following structures is an ester with a formula of C₇H₁₄O₂?

Identify the compound with a molecular formula of C₅H₁₁NOS and is both a thiol and amide.

Select the molecule that is an aromatic ether with a formula of C₉H₁₂O.

Name the functional groups highlighted in the molecule shown below.

Determine whether each indicated carbon in the structure of isoleucine shown below is primary, secondary, tertiary, or quaternary.

Name all the functional groups present in the molecule shown below. 

Methylparaben is a compound commonly used in cosmetics and personal-care products. Its structure is shown below. Identify the functional groups present.

Catechin is an antioxidant commonly found in cacao. List the functional groups present in catechin.

Vanillin is a compound that gives off a vanilla scent. What functional groups does vanillin have?

Is the compound given below an example of an aldehyde or ketone?