MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryChemical EquilibriumLe-Chatelier’s Principle
For the reaction, A B + C, at equilibrium, the concentration of A is 1 × 10–3 M, B is 0.15 and C is 0.05 M. The Gº for the hydrolysis of A at 27ºC will be :
A.–5 kJ/mol✓ Correct
B.–17.3 kJ/mol
C.–11.2 kJ/mol
D.none of these
Explanation
According to the equation, CHEMICAL EQUILIBRIUM 53 3 ° ° ΔG 2.303RTlog K 0.15 0.05 K 7.5 10 ΔG 2.303 8.314 300 log 7.5 ΔG 5KJ / mol x x x x
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