UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper II
Q11(a). Correct conditions for chemical equilibrium
Question
For chemical equilibrium, which of the following thermodynamic conditions are correct? (i) (∂G/∂ξ)p,T = 0 (ii) Σνᵢμᵢ = 0 at constant P and T (iii) Σνᵢμᵢ = 0 at constant T (iv) ΔS(sys) = 0 (v) ΔS(univ) = 0, where ξ is the advancement of reaction.
Model answer
The free solution for 2018 answers questions 1, 2, 3, 4, 5, 6, 8, 12, 13 and 15, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.
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Coverschemical equilibriumextent of reactionchemical potentialGibbs energy minimum
All parts of Question 11
- 11(a) Correct conditions for chemical equilibrium5 marks
- 11(b) EMF of Zn | ZnCl₂(m) | AgCl, Ag in terms of γ±5 marks
- 11(c) Bond dissociation energy from band convergence10 marks