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离子共存

> 某无色溶液中可能含有I -、NH 4 +、Cu 2+、SO 3 2-，向该溶液中加入少量溴水，溶液仍呈无色，则下列关于溶液组成的判断正确的是 [ ] ①肯定不含I - ②肯定不含Cu 2+ ③肯定含有SO 3 2- ④可能含有I - A．①③ B．①②③ C．③④ D．②③④

问题：

发布时间：2024-09-11

某无色溶液中可能含有I ^-、NH ₄ ⁺、Cu ²⁺、SO ₃ ^2-，向该溶液中加入少量溴水，溶液仍呈无色，则下列关于溶液组成的判断正确的是
[ ]
①肯定不含I ^- ②肯定不含Cu ²⁺ ③肯定含有SO ₃ ^2- ④可能含有I ^-A．①③
B．①②③
C．③④
D．②③④

参考答案：

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