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【毎日一問】理論基礎 2020.07.15

2020-07-16View Original

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選択問題:NaCl、MgCl2、AlCl3、SiCl4の4つの物質の中で、イオン極化作用が最も強いのは( ) A、NaCl B、MgCl2 C、AlCl3 D、SiCl4 答え:D ヒント:解き方の過程を説明できた人には特別な報酬をご用意しています。答えは返信で確認できます
Reply #22020-07-16
D 三周期元素の塩化物であるNaCl、MgCl2、AlCl3、SiCl4、PCl5を例にとると、Na+からP5+へと電荷が増加するにつれてイオン半径は減少し、そのため陽イオンの極化力はますます強くなる
Reply #32020-07-17
D、SiCl4の半径は順に小さくなり、電荷が高いほど半径は小さくなり、イオンの極化作用は強くなる。

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