JEE Main 2019 Chemistry question

Chemistry Thermodynamics JEE Main 2019

For the equilibrium, 2HO ⇌ HO + OH, the value of ΔG° at 298 K is approximately:

(A)−80 kJ mol
(B)100 kJ mol
(C)−100 kJ mol
(D)80 kJ molCorrect

Answer: (D)

Solution

ΔG° = −RT ln(10) ≈ +80 kJ mol.

Question ID VK-010411