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简明地描述了极性共价键概念 ,并用成键原子的电负性差说明了卤代烃分子中的 C— X(X为 F,Cl,Br,I)键都是极性共价键。同时 ,在有机化学构性相关理论指导下 ,对卤代烃进行了较系统的构性相关分析 ,揭示了它们构性之间的因果关系规律 ,并将其化学性质归纳成 3大类 :官能团的反应 ,烃基的反应 ,官能团和烃基共同参与的反应。
The concept of polar covalent bond is briefly described and the negative charge difference of the bonding atoms indicates that the C-X (X is F, Cl, Br, I) bonds in the halogenated hydrocarbon molecule are all polar covalent bonds. At the same time, under the guidance of the related theory of organic chemical structure, the systematic structural correlation analysis of halogenated hydrocarbons was carried out, and the causal relationship between them was revealed. The chemical properties of the halogenated hydrocarbons were classified into three categories: The reactions of hydrocarbyl groups, functional groups and hydrocarbyl groups participate in the reaction.