The kinetic effects of neutral salt（KCl） on the reaction between acetone and iodine have been studied by means of the spectrophotomenter method.It was found that the reaction rate constant was increased with the inc...The kinetic effects of neutral salt（KCl） on the reaction between acetone and iodine have been studied by means of the spectrophotomenter method.It was found that the reaction rate constant was increased with the increasing of the ionic strength and the positive salt effect was observed when the ionic strength was lower than 2.1 mol·dm-3.A preliminary explanation of this phenomenon was proposed,and the effects of the ionic strength on spparent actovation energy（Ea）,apparent preexponential factor（A）,enthalpy of actlvation（Hm） and entropy of activation（Sm） were discussed.The related quantitative equations were established.展开更多
文摘The kinetic effects of neutral salt（KCl） on the reaction between acetone and iodine have been studied by means of the spectrophotomenter method.It was found that the reaction rate constant was increased with the increasing of the ionic strength and the positive salt effect was observed when the ionic strength was lower than 2.1 mol·dm-3.A preliminary explanation of this phenomenon was proposed,and the effects of the ionic strength on spparent actovation energy（Ea）,apparent preexponential factor（A）,enthalpy of actlvation（Hm） and entropy of activation（Sm） were discussed.The related quantitative equations were established.
