When H2S is passed through a solution containing [Cu(CN)4]3- and [Cd(CN)4]2- ions, only cadmium precipitates as CdS. | Qualitative and Quantitative Analysis — Chem-Mantra | Chem-Mantra

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Question

When H2S is passed through a solution containing [Cu(CN)4]3- and [Cd(CN)4]2- ions, only cadmium precipitates as CdS.

Answer: D

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