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题文

下列措施或事实不能用勒沙特列原理解释的是(    )

A.滴加酚酞的氨水中加入氯化铵固体后红色变浅 
B.棕红色的NO2加压后颜色先变深后变浅(已知: 2NO2 (g) N2O4 (g))
C.工业上生产硫酸的过程中,使用过量的空气以提高SO2的利用率
D.煅烧粉碎的硫铁矿利于SO2的生成
科目 化学   题型 选择题   难度 中等
知识点: 探究温度、压强对化学平衡的影响
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