Kinetics and Mechanistic Study of Permanganate Oxidation of Fluorenone Hydrazone in Alkaline Medium

Table 2

Values of , , and (at different temperatures), activation parameters associated with the slow step (), and thermodynamic parameters of the equilibrium constants ( and ) in the oxidation of fluorenone hydrazone by alkaline permanganate: [MnO] = 4.0 × 10⁻⁴, [FH] = 8.0 × 10⁻³, [OH⁻] = 0.02, and = 0.1 mol dm⁻³.

(a) Values of , , and (at different temperatures)

Constant	Temperature (K)
	293	298	303	308	313
10^4   (dm^3 mol^−1 s^−1)	3.71	4.50	5.39	6.41	7.41
(dm^3 mol^−1)	15.62	17.48	20.11	24.74	29.08
10^−2   (dm^3 mol^−1)	4.73	4.16	3.61	3.23	3.06

(b) Activation parameters associated with the slow step ()

J mol^−1 K^−1

kJ mol^−1

kJ mol^−1

kJ mol^−1

(c) Thermodynamic parameters associated with the equilibrium constants ( and )

Equilibrium constant	kJ mol^−1	kJ mol^−1	J mol^−1 K^−1
	24.28	−7.08	105.25
	−17.18	−14.94	−7.51