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离子共存

> 下列各种情况下，溶液中可能大量存在的离子组是 [ ] A．澄清透明的溶液中：I -、Cl -、ClO -、Na + B．常温下，由水电离出的c（H +）=1×10 -12 mol/L的溶液中：K +、Ba 2+、OH -、NO 3 - C．使pH试纸呈红色的溶液中：K +、Fe 2+、NO 3 -、MnO 4 - D．含有大量Fe 2+的溶液中：K +、Na +、SO 3 2-、SO 4 2-

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发布时间：2024-09-09

下列各种情况下，溶液中可能大量存在的离子组是
[ ]
A．澄清透明的溶液中：I ^-、Cl ^-、ClO ^-、Na ⁺B．常温下，由水电离出的c（H ⁺）=1×10 ^-12 mol/L的溶液中：K ⁺、Ba ²⁺、OH ^-、NO ₃ ^-C．使pH试纸呈红色的溶液中：K ⁺、Fe ²⁺、NO ₃ ^-、MnO ₄ ^-D．含有大量Fe ²⁺的溶液中：K ⁺、Na ⁺、SO ₃ ^2-、SO ₄ ^2-

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