Consider the Reactions of Cadmium with the Thiosulfate Anion

question 68

Multiple Choice

Consider the reactions of cadmium with the thiosulfate anion. Cd²⁺(aq) + S₂O₃^2-(aq) Cd(S₂O₃) (aq) K₁ = 8.3 × 10³
Cd(S₂O₃) (aq) + S₂O₃^2-(aq) Cd(S₂O₃) ₂^2-(aq) K₂ = 2.5 × 10²
What is the value for the equilibrium constant for the following reaction?
Cd²⁺(aq) + 2S₂O₃^2-(aq) Cd(S₂O₃) ₂^2-(aq)

• A) 0.030
• B) 33
• C) 8.1 × 10³
• D) 8.6 × 10³
• E) 2.1 × 10⁶

---

Definitions:

Market Return

The total return from investing in a market or an index, including dividends, interest, and capital gains.

Risk-Free Rate

The theoretical return on an investment with zero risk, typically associated with government bonds.

Security's Beta

A measure of a stock's volatility in comparison to the overall market; a beta greater than 1 indicates higher volatility than the market, while a beta less than 1 indicates lower volatility.

Security Market Line

A line that represents the relationship between risk and expected return in capital market theory, often used in the capital asset pricing model.