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离子共存

> 常温下，下列各组离子在指定溶液中一定能大量共存的是 [ ] A.1.0 mol·L -1的KNO 3溶液：H +、Fe 2+、Cl -、SO 4 2- B.甲基橙呈红色的溶液：NH 4 +、Ba 2+、AlO 2 -、Cl - C.pH＝12的溶液：K +、Na +、CH 3COO -、Br - D.与铝反应产生大量氢气的溶液：Na +、K +、CO 3 2-、NO 3 -

问题：

发布时间：2024-09-07

常温下，下列各组离子在指定溶液中一定能大量共存的是
[ ]
A.1.0 mol·L ^-1的KNO ₃溶液：H ⁺、Fe ²⁺、Cl ^-、SO ₄ ^2-B.甲基橙呈红色的溶液：NH ₄ ⁺、Ba ²⁺、AlO ₂ ^-、Cl ^-
C.pH＝12的溶液：K ⁺、Na ⁺、CH ₃COO ^-、Br ^-
D.与铝反应产生大量氢气的溶液：Na ⁺、K ⁺、CO ₃ ^2-、NO ₃ ^-

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