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 sotdtua dep456* f1du,hows the reaction between concentrated sulfvg frvvldh,qpm3 7ln26p9:f.uric acid and potad2p hpvvfqlg. 9:nmf6,v 73r lssium iodide.
$8KI(s) + 5H_2SO_4(aq) \rightarrow 4K_2SO_4(aq) + 4l2(g) + H_2S(g) + 4H_2O(l)$
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 


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