高级中学课本第二册 (必修 )中的演示 5 -8为 :乙酸乙酯的水解反应。若按照原文进行操作 ,乙酸乙酯水解实验的结果只能凭气味的变化来判断水解程度的大小 ,由于产生量较小 ,只有小范围少数人能够闻到 ,说服力不强。我们进行了如下的改进 ,效果不错。实验步骤与现象 :(1 )在乙酸 Demonstration 5-8 in Upper Secondary School Textbook 2 (Compulsory) is: Ethyl acetate hydrolysis. If you follow the original text, the result of the ethyl acetate hydrolysis experiment can only be judged by the change of odor to determine the degree of hydrolysis. Since the amount of production is small, only a small number of people in a small area can smell it, and the persuasive power is not strong. We’ve made the following improvements and it works well. Experimental procedures and phenomena: (1) In acetic acid