At 298K the equilibrium constants for four gas-phase reactions are:
• Reaction A: K=3.2×104
• Reaction B: K=0.85
• Reaction C: K=1.6×10−3
• Reaction D: K=12
Which ranking lists the standard free-energy changes ΔGA∘,ΔGB∘,ΔGC∘,ΔGD∘ from MOST NEGATIVE to MOST POSITIVE?
a) D < A < B < C
b) A < D < B < C
c) A < B < C < D
d) C < B < D < A