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85问答库 > ．能够说明氯的非金属性比硫强的反应是[ ] A．CuCl2＋H2S＝CuS↓＋2HCl B．Cl2＋H2S＝2HCl＋S↓

．能够说明氯的非金属性比硫强的反应是[ ] A．CuCl2＋H2S＝CuS↓＋2HCl B．Cl2＋H2S＝2HCl＋S↓

C．3Cl2＋6FeSO4＝2Fe2(SO4)3＋2FeCl3D．H2SO4(浓)＋NaCl(固)＝NaHSO4＋HCl↑

2025-03-17 04:37:54

推荐回答（3个）

回答1：

答案是B
A．CuCl2＋H2S＝CuS↓＋2HCl 没有发生氧化还原反应，不能说明非金属性强弱
B.Cl2＋H2S＝2HCl＋S↓强氧化剂可以氧化硫化氢为硫单质可见氯的比硫强
C．3Cl2＋6FeSO4＝2Fe2(SO4)3＋2FeCl3
只能说明氯的氧化性强于亚铁离子，硫未发生氧化还原反应
D.H2SO4(浓)＋NaCl(固)＝NaHSO4＋HCl↑未发生氧化还原反应不能说明非金属性强弱

回答2：

B 置换反应，说明Cl的非金属性强

回答3：

B 非金属之间的置换反应

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