“讲一练二考三”理念在有机化学实验教学中的运用--以苯甲酸的制备为例

刘硕,翟玉平,韩杰

Application of "Teaching One, Practicing Two, and Testing Three" in Organic Chemistry Laboratory Course: Taking Preparation of Benzoic Acid as an Example

Shuo LIU,Yu-Ping ZHAI,Jie HAN

表5 原料物质的量比对产率的影响

编号 甲苯与高锰酸钾物质的量比 产率/% 17 1:02 15.2 18 01:02.5 31.1 15 1:03 47.5 19 01:03.5 54.1 20 1:04 62.7 21 01:04.5 72.5 22 1:05 73.8