15. If the for a given reaction has a negative value, which of the following gives the strictly corr — Electrochemistry Chemistry Question
Question
15. If the $E^\circ_{cell}$ for a given reaction has a negative value, which of the following gives the strictly correct thermodynamic relationships for $\Delta G^\circ$ and $K_{eq}$?
Answer: A
💡 Solution & Explanation
$\Delta G^\circ = -nFE^\circ_{cell}$. If $E^\circ_{cell}$ is negative, $\Delta G^\circ$ must be positive. Additionally, $\Delta G^\circ = -RT \ln K_{eq}$. A positive $\Delta G^\circ$ means $\ln K_{eq}$ is negative, making $K_{eq} < 1$.
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