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离子共存

> 在指定环境中，下列各组离子可以大量共存的是 [ ] A．无色溶液中：[Ag(NH 3) 2] +、K +、H +、NO 3 - B．滴加酚酞试液仍无色的溶液中：CO 3 2-、K +、ClO -、AlO 2 - C．在c(H +)/c(OH -)=1×10 13的溶液中：NH 4 +、Ca 2+、Cl -、K + D．加入铝粉后产生大量氢气的溶液中：NH 4 +、Na +、NO 3 -、 SO 4 2-

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发布时间：2024-09-08

在指定环境中，下列各组离子可以大量共存的是
[ ]
A．无色溶液中：[Ag(NH ₃) ₂] ⁺、K ⁺、H ⁺、NO ₃ ^-B．滴加酚酞试液仍无色的溶液中：CO ₃ ^2-、K ⁺、ClO ^-、AlO ₂ ^-C．在c(H ⁺)/c(OH ^-)=1×10 ¹³的溶液中：NH ₄ ⁺、Ca ²⁺、Cl ^-、K ⁺ D．加入铝粉后产生大量氢气的溶液中：NH ₄ ⁺、Na ⁺、NO ₃ ^-、 SO ₄ ^2-

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