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乙醇和重铬酸钾的离子反应方程式

2025-03-28 08:56:12

推荐回答（2个）

回答1：

乙醇与酸性重铬酸钾的反应化学方程式3CH3CH2OH+2K2Cr2O7+8H2SO4=2K2SO4+3CH3COOH+2Cr2（SO4）3+11H2O

回答2：

因为重铬酸钾具有氧化性，反应实质是羟基被重铬酸钾氧化成羧基。发生的是氧化还原反应。这也表现出酒精有一定的还原性。实际生活中检查是否喝酒就是利用了这个反应，如果仪器颜色由橙黄色变为绿色则喝酒了，否则没有。3ch3ch2oh
+
2cr2o72-（橙黄色）
+16h+
=
4cr3+（绿色）
+
3ch3cooh
+
11h2o

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