Which functional group is present in the compound with the molecular formula $C_3{H}_{7}O\mathrm{Cl}$?

Which of the following best describes the structure of $2,4,6-\text{trimethylphenol}$?

Given the following structure: ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2-{\mathrm{Br}}_1$, which functional group is present in this molecule?

Which of the following is an amino group?

When naming a carboxylic acid according to IUPAC rules, which carbon atom should be designated as carbon $1$ in the parent chain?

Which functional group is present in the compound with the condensed formula ${\mathrm{CH}}_3\left({\mathrm{CH}}_2{)}^2{\mathrm{CO}}_{2}C\right({\mathrm{CH}}_3{)}^3$?

Which of the following correctly identifies the functional groups present in the molecule $C_6{H}_{5}COOH$?

Which of the following best describes a root carbon in the context of functional groups in organic molecules?

Which of the following statements correctly compares the functional groups present in $3-\mathrm{chloro}-3-\mathrm{methylhexane}$ and $\mathrm{methanol}$?