In the electrochemical cell using the redox reaction below, the cathode half-reaction is ________. 2H⁺ (s) + Sn (s) → Sn²⁺ (aq) + H₂ (g) A)2H⁺+ 2e^- → H₂ B)Sn → Sn²⁺ + 2e^- C)2H⁺ → H₂ + 2e^- D)Sn + 2e^- → Sn²⁺ E)Sn + 2e^- → H₂

Question

Quizplus · Accepted Answer

The cathode half-reaction involves reduction, where electrons are gained. In this reaction, 2H⁺ ions gain electrons to form H₂ gas.

In the Electrochemical Cell Using the Redox Reaction Below, the Cathode