近年来,将氯化氢转化为氯气的技术成为科学研究的热点。其中直接氧化法的反应为:4HCl(g)+O
2(g)
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmunder%3E%3Cmo%3E%E2%87%8C%3C%2Fmo%3E%3Cmrow%3E%3C%2Fmrow%3E%3C%2Fmunder%3E%3C%2Fmath%3E)
2Cl
2(g)+2H
2O(g)ΔH。下图为恒容反应器中,进料浓度比 c(HCl):c(O
2)分别为 1:1、4:1、7:1 时 HCl 平衡转化率随温度变化的关系
![](http://tikupic.21cnjy.com/2022/02/21/8a/7b/8a7b17b309210bbc6cb7dc2951c70282.png)
下列说法错误的是( )
- A、该反应为放热反应
- B、反应平衡常数 K(300 ℃)>K(400 ℃)
- C、
对应的曲线进料浓度比c(HCl):c(O2)=7:1 - D、HCl 初始浓度为 c0 , 进料浓度比c(HCl):c(O2)=1:1 时,K(400 ℃)=
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmfrac%3E%3Cmrow%3E%3Cmsup%3E%3Cmrow%3E%3Cmrow%3E%3Cmo%3E%28%3C%2Fmo%3E%3Cmrow%3E%3Cmtext%3E0%3C%2Fmtext%3E%3Cmtext%3E.%3C%2Fmtext%3E%3Cmtext%3E4%3C%2Fmtext%3E%3Cmtext%3E2%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmo%3E%29%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3E2%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmsup%3E%3Cmo%3E%C3%97%3C%2Fmo%3E%3Cmsup%3E%3Cmrow%3E%3Cmrow%3E%3Cmo%3E%28%3C%2Fmo%3E%3Cmrow%3E%3Cmtext%3E0%3C%2Fmtext%3E%3Cmtext%3E.%3C%2Fmtext%3E%3Cmtext%3E4%3C%2Fmtext%3E%3Cmtext%3E2%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmo%3E%29%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3E2%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmsup%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmsup%3E%3Cmrow%3E%3Cmrow%3E%3Cmo%3E%28%3C%2Fmo%3E%3Cmrow%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E-%3C%2Fmtext%3E%3Cmtext%3E0%3C%2Fmtext%3E%3Cmtext%3E.%3C%2Fmtext%3E%3Cmtext%3E8%3C%2Fmtext%3E%3Cmtext%3E4%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmo%3E%29%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3E4%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmsup%3E%3Cmo%3E%C3%97%3C%2Fmo%3E%3Cmrow%3E%3Cmo%3E%28%3C%2Fmo%3E%3Cmrow%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E-%3C%2Fmtext%3E%3Cmtext%3E0%3C%2Fmtext%3E%3Cmtext%3E.%3C%2Fmtext%3E%3Cmtext%3E2%3C%2Fmtext%3E%3Cmtext%3E1%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmo%3E%29%3C%2Fmo%3E%3C%2Fmrow%3E%3Cmsub%3E%3Cmrow%3E%3Cmtext%3Ec%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3E0%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3C%2Fmath%3E)