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同分异构体的判断和书写是高中有机化学教学的难点和重点,也是高考的热点,因为该考点既能考查同分异构体的概念、有机物的结构特征等重要知识点,又能考查考生的思维能力及有序严谨的思维品质;另外,在特定条件下的同分异构体的书写等试题能联系最新科技成果,考查学生的应用能力。据历年考生答题情况统计可知,书写时做到不重、不漏一直是考生的难点。下面结合典型试题,谈谈这类问题的解题方法。
The judgment and writing of the isomers are the difficulties and focuses of high school organic chemistry teaching. It is also a hot spot for college entrance examination because it can not only examine the concept of isomers, structural features of organic matter and other important knowledge points, but also test Candidates thinking ability and orderly rigorous thinking quality; In addition, the writing of isomers and other questions under certain conditions can contact the latest scientific and technological achievements, examine the students’ ability to apply. According to the statistics of the candidates over the years, it can be seen that when writing, they are not heavy, and the leak has always been a challenge for candidates. The following combination of typical questions, talk about the solution to these problems.