Kinetics and Mechanism of Oxidation of L-Ascorbic Acid by Pt(IV)(aq) in Aqueous Hydrochloric Acid Medium

Table 2

Calculation of second order rate constant 𝑘 and activation parameters.

Temperature (K)	10^2 𝑘 (rate of electron transfer reaction)
	(mol^−1 dm^3 s^−1)
293	0.9
298	2.0
303	5.6
308	9.4
ΔH^‡ (kilo joule per mole)	11.88±1.31
ΔS^‡ (Joule per Kelvin per mole)	−51.66±4.39