Determine Keq at 25°C for the Following Reaction: Pb²⁺(aq)

question 36

Multiple Choice

Determine Keq 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) 2 × 10^-16
• C) 2 × 10¹⁶
• D) 2 × 10^-8
• E) 6 × 10⁷

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