【简答题】
在下列常见氧化剂中,如果使<img src='http://221.174.24.96:6088/Latex/latex.action?latex=Y197SF4rfQ%3D%3D' class='match'/>增加,哪一种的氧化性增强?哪一种不变? <br> ①Cl<sub>2</sub>;②<img src='http://221.174.24.96:6088/Latex/latex.action?latex=Q3JfMk9fezd9XnsyLX0%3D' class='match'/>;③Fe<sup>3+</sup>;④<img src='http://221.174.24.96:6088/Latex/latex.action?latex=TW5PX3s0fV57LX0%3D' class='match'/>。<br/>A.174.24.96:6088/Latex/latex.action?latex=Y197SF4rfQ%3D%3D'<br/>B.174.24.96:6088/Latex/latex.action?latex=Q3JfMk9fezd9XnsyLX0%3D'<br/>C.174.24.96:6088/Latex/latex.action?latex=TW5PX3s0fV57LX0%3D'
A、A.174.24.96:6088/Latex/latex.action?latex=Y197SF4rfQ%3D%3D'
B.174.24.96:6088/Latex/latex.action?latex=Q3JfMk9fezd9XnsyLX0%3D'
C.174.24.96:6088/Latex/latex.action?latex=TW5PX3s0fV57LX0%3D'