Selectivity & Energy Relationship
ΔΔG
‡
vs. k₁/k₂ at variable temperature
T
298 K
ΔΔG
‡
= RT · ln(k₁/k₂)
195 K
273 K
298 K
373 K
Temperature–Selectivity Contours
T vs. k₁/k₂ at constant ΔΔG
‡
ΔΔG
‡
2.0 kcal·mol⁻¹
T = ΔΔG
‡
/ (R · ln(k₁/k₂))
Units:
kcal/mol
kJ/mol
eV
Temp:
K
°C
Selectivity:
Ratio
Excess