第12届全国大学生化学实验邀请赛无机及分析化学实验试题解析

doi:10.3866/PKU.DXHX202109117

University Chemistry ›› 2022, Vol. 37 ›› Issue (2): 2109117.doi: 10.3866/PKU.DXHX202109117

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• Chemical Olympiad Competition • Previous Articles Next Articles

Analysis of Inorganic and Analytical Chemistry Experiments for the 12th National Undergraduate Chemistry Laboratory Tournament

Lihua Huang, Kai Li, Min Yu, Youcai Lu, Jie Wu(), Zhanhang He

College of Chemistry, Zhengzhou University, Zhengzhou 450001, China

Received:2021-09-29 Accepted:2021-11-26 Published:2021-12-09
Contact: Jie Wu E-mail:wujie@zzu.edu.cn

Abstract

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Lihua Huang, Kai Li, Min Yu, Youcai Lu, Jie Wu, Zhanhang He. Analysis of Inorganic and Analytical Chemistry Experiments for the 12th National Undergraduate Chemistry Laboratory Tournament[J].University Chemistry, 2022, 37(2): 2109117.

考查项目	主要内容及分值	得分	所占总人数比例/%
实验结果(115分)	氯化亚铁回收(25分)	20–25	12
		15–20	71
		5–10	17
	盐酸浓度及回收量的确定(30分)	20–30	33
		10–20	48
		10	19
	重结晶FeCl₂^.4H₂O (15分)	8–15	62
	重结晶FeCl₂^.4H₂O (15分)	< 8	38
	确定三价铁离子含量(8分)	8	24
		5	69
		3	7
	滴定亚铁离子(30分)	20–30	74
	滴定亚铁离子(30分)	10–20	26
	锌含量测定(7分)	4–7	45
	锌含量测定(7分)	< 4	55
思考题(15分)		10–15	19
思考题(15分)		5–10	81
实验操作(20分)		15–20	74
实验操作(20分)		15	26

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[2]	Xuebin Yan, Chuanjun Song, Xinqi Hao, Yuanzhao Hua. Analysis of the Organic Chemistry Experimental Test for the 12th National Undergraduate Chemistry Laboratory Tournament [J]. University Chemistry, 2022, 37(2): 2109119-.
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Analysis of Inorganic and Analytical Chemistry Experiments for the 12th National Undergraduate Chemistry Laboratory Tournament

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