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设烃的一般通式为C_H_n(2n+X)■其讨论法求烃的分子式,可省去常见方法的繁冗运算。尤其是对于存在两个以上的答案,一举可得。教学实践表明,此法便于学生掌握。方法概述:
The general formula for hydrocarbons is C_H_n(2n+X) ■ The molecular formula of the discussion method for hydrocarbons can eliminate the tedious operations of common methods. Especially for the existence of more than two answers, it is available at the same time. Teaching practice shows that this method is easy for students to master. Method Overview: