Given the standard reduction potential for Au3+ in Table

Chapter 19, Problem 103AP

(choose chapter or problem)

Given the standard reduction potential for \(\mathrm{Au}^{3+}\) in Table 19.1 and

\(\mathrm{Au}^{+}(a q)+e^{-} \longrightarrow \mathrm{Au}(s) \quad E^{\circ}=1.69 \mathrm{V}\)

answer the following questions. (a) Why does gold not tarnish in air? (b) Will the following disproportionation occur spontaneously?

\(3 \mathrm{Au}^{+}(a q) \longrightarrow \mathrm{Au}^{3+}(a q)+2 \mathrm{Au}(s)\)

(c) Predict the reaction between gold and fluorine gas.

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