Determine K_eq at 25 °C for the Following Reaction

question 23

Multiple Choice

Determine K_eq at 25 °C for the following reaction:
Pb²⁺(aq) + Cu(s) ⇌ Cu²⁺(aq) + Pb(s)
The half-reactions are:
Pb²⁺(aq) + 2 e^- ⇌ Pb(s) E° = -0.125 V
Cu²⁺(aq) + 2 e^- ⇌ Cu(s) E° = +0.337 V

• A)2 × 10⁶⁹
• B)3 × 10^-16
• C)2 × 10¹⁶
• D)2 × 10^-8
• E)6 × 10⁷