挑战习题
1/5单选题
难度:

1.

氯酸是一种强酸,浓度超过40%时会发生分解,该反应可表示为aHClO3―→bO2↑+cCl2↑+dHClO4eH2O,下列有关说法不正确的是


A

由反应可确定氧化性:HClO3>O2

B

由非金属性Cl>S,可推知酸性HClO3>H2SO4

C

若氯酸分解所得1 mol混合气体的质量为45 g,则反应方程式可表示为3HClO3===2O2↑+Cl2↑+HClO4+H2O

D

若化学计量数a=8,b=3,则生成3 mol O2时转移20 mol电子

提示1:
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正确答案:Qg==
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