论文部分内容阅读
在氧化还原反应中氧化剂所得电子总数等于还原剂失去的电子总数(下称电子守恒);反应前后原子的种类和数量不变(下称质量守恒);反应前后离子所带电荷的代数和相等(下称电荷守恒);质子总数不变(下称质子守恒).利用这些规律建立线性方程,解这线性方程可确定氧化剂和还原剂(或氧化产物与还原产物)的系数比,而后整理系数比并配平其它原子.利用该法不但可配平较简单的氧化还原反应方程式,而且对复杂的氧化还原反应方程式的配平也适用,并能确定有多组合适系数的反应方程式的系数的数值关系式.下面结合实例说明.
In the redox reaction, the total number of electrons obtained by the oxidant is equal to the total number of electrons lost by the reducing agent (hereinafter referred to as electron conservation); the type and amount of atoms before and after the reaction do not change (hereinafter referred to as mass conservation); the algebraic number and equivalent of charges carried by the ions before and after the reaction ( (hereinafter referred to as conservation of charge); the total number of protons is unchanged (hereinafter referred to as proton conservation). Using these laws to establish a linear equation, solving the linear equation can determine the ratio of the oxidant and reducing agent (or oxidation products and reduction products) ratio, and then the finishing factor ratio It can be used to equalize other atoms. This method not only can be used to equalize the simpler oxidation-reduction equation, but also can be applied to the complex redox reaction equation trim, and can determine the numerical relationship of the coefficients of the reaction equation with multiple sets of suitable coefficients. The following examples illustrate.