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离子共存

> 下列各种情况下，溶液中一定能大量共存的离子组是 [ ] A．由水电离出的c(H +) =1×10 -12 mol·L -1的溶液中：K +、Ba 2+、AlO 2 -、NO 3 - B．澄清透明的溶液中：I -、Cl -、ClO -、Na + C．使pH试纸呈红色的溶液中：K +、Fe 2+、NO 3 -、MnO 4 - D．含有S 2O 3 2-的溶液中：K +、Na +、SO 3 2-、SO 4 2-

问题：

发布时间：2024-09-09

下列各种情况下，溶液中一定能大量共存的离子组是
[ ]
A．由水电离出的c(H ⁺) =1×10 ^-12 mol·L ^-1的溶液中：K ⁺、Ba ²⁺、AlO ₂ ^-、NO ₃ ^-
B．澄清透明的溶液中：I ^-、Cl ^-、ClO ^-、Na ⁺
C．使pH试纸呈红色的溶液中：K ⁺、Fe ²⁺、NO ₃ ^-、MnO ₄ ^-
D．含有S ₂O ₃ ^2-的溶液中：K ⁺、Na ⁺、SO ₃ ^2-、SO ₄ ^2-

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