問題詳情
10．已知下列分子或离子在酸性条件下都能氧化KI，自身发生如下变化： H2O2→H2O IO3-→I MnO4-→Mn2+ HNO2→NO如果分别用等物质的量的这些物质氧化足量的KI，得到I2最多的是(A)H2O2
(B)IO3-
(C)MnO4-
(D)HNO2
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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