What Is the Equilibrium Constant for the Following Reaction, HCO₂H(aq)

question 10

Multiple Choice

What is the equilibrium constant for the following reaction, HCO₂H(aq) + CN^-(aq) HCO₂^-(aq) + HCN(aq)
And does the reaction favor the formation of reactants or products? The acid dissociation constant,K_a,for HCO₂H is 1.8 × 10^-4 and the acid dissociation constant for HCN is 4.0 × 10^-10.

• A) K = 1.00.The reaction favors neither the formation of reactants nor products.
• B) K = 2.2 × 10^-6.The reaction favors the formation of products.
• C) K = 2.2 × 10^-6.The reaction favors the formation of reactants.
• D) K = 4.5 × 10⁵.The reaction favors the formation of products.
• E) K = 4.5 × 10⁵.The reaction favors the formation of reactants.

---

Definitions:

Post-closing Trial Balance

A list of all accounts and their balances after closing entries are made, used to verify the equality of debits and credits.

Balance Sheet Accounts

Accounts that are reported on the balance sheet and include assets, liabilities, and equity sections, reflecting the financial position of a company at a specific time.

Owner's Equity

The residual interest in the assets of a business after deducting its liabilities.

Total Liabilities

The sum of all financial obligations a company owes to outside parties, including loans, accounts payable, and mortgages.