Chemistry - Salt Analysis Question with Solution | TestHub

ChemistrySalt AnalysisTEST OF CATIONS Dry Test, Group Analysis, Group 1,2Easy2 minPYQ_2013

ChemistryEasysingle choice

Upon treatment with ammoniacal $H_{2} S$ , the metal ion that precipitates as a sulphide is

Answer:

Solution:

Among Fe³⁺, Al³⁺, Mg²⁺ and Zn²⁺, only Zn²⁺ is precipitated with ammoniacal H₂S as ZnS.

The group III metal ions, in presence of NH₄OH when H₂S is bubbled through filtrate Ni²⁺, Co²⁺ and Zn²⁺ are precipitated as sulphides.

Stream:JEE_ADVSubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF CATIONS Dry Test, Group Analysis, Group 1,2

⏱ 2mℹ️ Source: PYQ_2013

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