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离子共存

> 下列各组离子，在指定的环境中可能大量共存的是 [ ] A．在中性的溶液中：Ag +、K +、SO 4 2-、Cl - B．有CO 3 2-存在的溶液中：Na +、Fe 3+、Ca 2+、I - C．在加入铝粉能产生H 2的溶液中：NH 4 +、Fe 2+、SO 4 2-、NO 3 - D．在碱性溶液中：Na +、S 2-、AlO 2 -、SO 3 2-

问题：

发布时间：2024-09-10

下列各组离子，在指定的环境中可能大量共存的是
[     ]
A．在中性的溶液中：Ag ⁺、K ⁺、SO ₄ ^2-、Cl ^-
B．有CO ₃ ^2-存在的溶液中：Na ⁺、Fe ³⁺、Ca ²⁺、I ^-
C．在加入铝粉能产生H ₂的溶液中：NH ₄ ⁺、Fe ²⁺、SO ₄ ^2-、NO ₃ ^-
D．在碱性溶液中：Na ⁺、S ^2-、AlO ₂ ^-、SO ₃ ^2-

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