图解法在Hughes—Ingold规则中的应用

On application of graphic method about Hughes-Ingold rule

在分析电荷数、溶剂化效应及活化能间关系的基础上 ,Hughes—Ingold规则可以预测溶剂极性的改变对各种异裂反应的反应速率的影响 ,而绘制反应进程—能量曲线图则有助于理解这些规则。

On the basis of inspecting the differences of charge density,solvation effect and activation energy between initial reaction molecules and transition complex compounds,E D Hughes and C K Ingold worked out a rule(i.e.Hughes-Ingold rule)to predict the influence of solvent polarity on reaction rate of various heterolytic cleavage reactiong.The author introduced curvilinear diagrams of energy variation due to reaction process in order to help the learners to study and use the rule.