UPSC Combined Geo-Scientist, Mains · 2026 · Mains Paper II
Q7. ΔᵣH^° from the temperature dependence of E^°
Question
The T-dependence of E^° of a galvanic cell is given by E^°=A+BT+CT². Find the expression of ΔᵣH^° for the cell reaction. Show that when T→∞ the ΔᵣG^° and ΔᵣH^° are the same.
Model answer
The free solution for 2026 answers the questions picked in its time plan. Question 7 is answered in full in the Book Edition of the 2026 solutions of Geo-Scientist Chemistry Paper II.
Coversthermodynamics of cellsΔᵣH^° from the temperature dependence of E^°
All parts of Question 7
- 7 ΔᵣH^° from the temperature dependence of E^°10 marks