The standard electrode potentials (reduction) of Pt/Fe 3+ , Fe 2+ and Pt/Sn 4+ , Sn 2+…
Chemistry · JEE Main · NTA Exams — Redox Reactions and Electrochemistry
The standard electrode potentials (reduction) of
Pt/Fe3+, Fe2+ and Pt/Sn4+, Sn2+ are + 0.77 V and 0.15 V respectively at 25°C. The standard EMF of the reaction
Sn4+ + 2Fe2+ \(\text { ⟶ }\)Sn2+ + 2Fe3+ is
Pt/Fe3+, Fe2+ and Pt/Sn4+, Sn2+ are + 0.77 V and 0.15 V respectively at 25°C. The standard EMF of the reaction
Sn4+ + 2Fe2+ \(\text { ⟶ }\)Sn2+ + 2Fe3+ is
- – 0.62 V
- – 0.92 V
- + 0.31 V
- + 0.85 V
Answer
(A) – 0.62 V
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