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Chemistry - Salt Analysis Question with Solution | TestHub

ChemistrySalt AnalysisTEST OF CATIONS Dry Test, Group Analysis, Group 1,2Medium2 minQB

ChemistryMediuminteger

How many of the following sulphides are black in colour $CoS, CdS, HgS, PbS, As_{2} S_{3}, MnS, ZnS, CuS, NiS, Ag_{2} S, SnS_{2}$

Answer:

Solution:

Factual information PbS, $C u S, H g S, N i S, C o S, A g_{2} S$ are black $A s_{2} S_{3}, C d S, S n S_{2}$ - yellow ZnS white or yellow, MnS Buff/flesh colour Ref : qualitative inorganic analysis

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

⏱ 2mℹ️ Source: QB

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