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Citation: Chanzi Ruan, Zhiqiang Dong, Chunyan Zhang, Yinyun Lü, Yuhua Weng, Rui Pan, Zhenling Xu, Yanping Ren. “元素化学实验”中的“异常”现象(一)——Mn元素化学实验中的“异常”现象及其探析[J]. University Chemistry, ;2022, 37(2): 211002. doi: 10.3866/PKU.DXHX202110029 shu

“元素化学实验”中的“异常”现象(一)——Mn元素化学实验中的“异常”现象及其探析

National Demonstration Center for Experimental Chemistry Education(Xiamen University), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian Province, China

Corresponding author: Yanping Ren, ypren@xmu.du.cn
Received Date: 12 October 2021

大一学生在“元素化学实验”教学过程中，对反应条件如温度、催化剂、酸度、浓度或试剂用量等因素的影响考虑不周，可能出现某些实验现象和预想的或理论分析的结果不一致的“异常”现象。本文就学生在Mn元素化学实验过程中遇到的一些“异常”现象进行分析和总结，借助生动直观的演示实验，引导学生探究“异常”现象产生的可能原因和直观认识反应条件对反应结果的影响，培养学生的观察、分析、判断、归纳、推理和解决实际问题的能力。
- Mn elemental chemistry experiments,
- Affecting factors,
- Abnormal phenomenon,
- Analysis and exploration
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