Given the Following K_a Values, Which Anion Is the Strongest

question 105

Multiple Choice

Given the following K_a values, which anion is the strongest base $\begin{array}{|l|l|}\hline \text { Acid } & \mathrm{K}_{\mathrm{a}} \\\hline \mathrm{HF} & 7.1 \times 10^{-4} \\\hline \mathrm{HCOOH} & 1.7 \times 10^{-4} \\\hline \mathrm{HCN} & 4.9 \times 10^{-10} \\\hline \mathrm{HNO}_{2} & 4.5 \times 10^{-4} \\\hline \mathrm{CH}_{3} \mathrm{COOH} & 1.8 \times 10^{-5} \\\hline\end{array}$

• A) F^-
• B) HCOO^-
• C) CN^-
• D) NO₂^-
• E) CH₃COO^-

---

Definitions:

Year-End Balance Sheet

A financial statement that shows a company's assets, liabilities, and equity at the last day of the fiscal year, providing a snapshot of its financial condition.

Data

Information collected and used for analysis or decision making, often in a structured form.

Common Size Percentages

Ratios used in financial analysis that express each line item on a financial statement as a percent of a base amount, facilitating comparison.

Operating Expenses

Costs incurred in the day-to-day operations of a business, excluding the cost of goods sold, such as rent, utilities, and salaries.