The reaction: occurs in the galvanic cell — Electrochemistry Chemistry Question
Question
The reaction: $H_2(g) + 2AgCl(s) \rightarrow 2H^+(aq) + 2Cl^-(aq) + 2Ag(s)$ occurs in the galvanic cell
Answer: C
💡 Solution & Explanation
The oxidation half-reaction is $H_2 \rightarrow 2H^+ + 2e^-$, representing a standard hydrogen-like electrode: $Pt \| H_2(g) \| H^+(aq)$. The reduction half-reaction is $2AgCl(s) + 2e^- \rightarrow 2Ag(s) + 2Cl^-$, representing a metal-insoluble salt electrode: $Cl^- \| AgCl(s) \| Ag$. Combining these gives $Pt \| H_2(g) \| HCl(aq) \| AgCl(s) \| Ag$. Therefore, correct answer is C.
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