Chapter 19, Problem 19.16P

Match each of the following $\text{p}{K}_{\text{a}}$ values $\left(\text{3}\text{.2,}\text{4}\text{.9,}\text{and}\text{0}\text{.2}\right)$ to the appropriate carboxylic acid: (a) ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$; (b) ${\text{CF}}_{\text{3}}\text{COOH}$; (c) ${\text{ICH}}_{\text{2}}\text{COOH}$.