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好吧问答库 > 卤素单质的性质与F2＞Cl2＞Br2＞I2的变化规律不相符的是（　　）A．与氢气反应的剧烈程度B．气态氢化物的

卤素单质的性质与F2＞Cl2＞Br2＞I2的变化规律不相符的是（　　）A．与氢气反应的剧烈程度B．气态氢化物的

2025年03月15日 10:56

有1个网友回答

网友（1）：

A．非金属性F＞Cl＞Br＞I，则与氢气反应的难易程度为由易到难，与上述规律一致，故A不选；
B．非金属性F＞Cl＞Br＞I，则对应的氢化物稳定性为由强到弱，与上述规律一致，故B不选；
C．非金属性F＞Cl＞Br＞I，单质的还原性逐渐增强，与上述规律不一致，故C选；
D．非金属性F＞Cl＞Br＞I，单质的活泼性F₂＞Cl₂＞Br₂＞I₂，水与反应的剧烈程度逐渐减弱，与上述规律一致，故D不选．
故选C．

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