在一定条件下,氯酸钾与碘按下式发生反应:2KClO3+I22KIO3+Cl2↑。由此

在一定条件下,氯酸钾与碘按下式发生反应:2KClO3+I22KIO3+Cl2↑。由此可以推断下列相应的结论不正确的是 (  )

A.该反应属于置换反应

B.还原性:I2>Cl2

C.非金属性:I2>Cl2

D.氧化性:I2>Cl2

答案

CD


解析:

本题不要受I2置换Cl2的影响。

氧化性KClO3>KIO3,还原性I2>Cl2,B项对,D项错;据卤素性质的递变性,知非金属性Cl2>I2,C错;据置换反应的概念知A项对。

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