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Citation: SUN Jia-Juan, FAN Guang, ZHANG Yin-Li, MA Zhan-Ying, GAO Feng-Qin, XU Wei-Xia. Can Iron Powder React with Chlorine to Produce Iron(II) Dichloride?[J]. University Chemistry, ;2016, 31(4): 80-82. doi: 10.3866/PKU.DXHX20160480 shu

Can Iron Powder React with Chlorine to Produce Iron(II) Dichloride?

1.
College of Chemistry & Chemical Engineering, Xianyang Normal University, Xianyang 712000, Shaanxi Province, P. R. China

Corresponding author: FAN Guang,
Fund Project: 陕西公办本科高等学校教育教学研究项目(13BZ52) (13BZ52)陕西省化学专业复合型人才培养模式创新试验区项目(陕教高[2014]16号,第57项) (陕教高[2014]16号,第57项)

In this article, the reason that the iron powder reacts with chlorine to produce iron(III) trichloride under appropriate conditions is explained according to fundamentals of chemical thermodynamics. And the calculation result from Gibbs-Helmholtz equation reveals that the iron powder can react with chlorine to produce iron(II) dichloride at the temperature higher than 626 K. The calculation can not only reflect the guidance of chemical thermodynamics on inorganic synthesis, but also enhance students' ability to comprehend and apply chemical thermodynamics basic knowledge.
- Chemical thermodynamics,
- Iron dichloride,
- Iron trichloride,
- Gibbs-Helmholtz equation
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