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A Kinetic and Mechanistic Study of the Reaction between Bis-p-ethoxyphenyl Ditelluride and Molecular Iodine in Solution
Mahdi, Rahim T.,Miller, J. David
, p. 1071 - 1074 (1983)
The title reaction in toluene has been examined spectrophotometrically.The data are consistent with equations (1)-(3) (R = p-EtOC6H4). (1), (2), (3).The rate constants k1 and k3 are 56 +/- 2 dm3 mol-1 s-1 at 7 deg C and 6.2 * 10-4 s-1 at 25 deg C respectively.The equilibrium constant K2 is 1570 dm3 mol-1 at 25 deg C, and ΔH2 = -22 +/- 4 kJ mol-1.The activation parameters for the final step are ΔH = 44 +/- 5 kJ mol-1 and ΔS = -160 +/- 15 J K-1 mol-1.
