Mechanisms of Chemical Change F.2 Electron Transfer Reactions (id: 3f7e05acc)

本题目来源于试卷: Mechanisms of Chemical Change F.2 Electron Transfer Reactions，类别为 IB化学

[填空题]
The equation below shows the reaction be0t8 aj ff70c,avf8pvee 4v:oaw45 t d; 31c*zjd tok12ahdxxptween concentrated sulfuric acid and potassium x1ac42xdv atpto;:d 34d w zo5j*k1 ehiodide.
$8KI(s) + 5H_2SO_4(aq) \rightarrow 4K_2SO_4(aq) + 4l2(g) + H_2S(g) + 4H_2O(l)$
1.State the oxidation state of sulfur in $H_2SO_4$ and $4H_2S$.In $H_2SO_4$, x= ----待选择----+-   , in $4H_2S$, x= ----待选择----+-   
2.Write the half equations for the oxidation and reduction reactions.
3.Define oxidizing agent in terms of electrons.
4.Identify the oxidizing agent in the equation.

参考答案:
空格1: +  空格2: 6  空格3: -  空格4: 2 


本题详细解析:

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