Chemistry - Salt Analysis Question with Solution | TestHub
ChemistrySalt AnalysisTEST OF CATIONS Dry Test, Group Analysis, Group 1,2Medium2 minQB
ChemistryMediumsingle choice
In the Cobalt Nitrate test, if the residue on charcoal is BaO, why is no characteristic color observed?
Options:
Answer:
C
Solution:
Concepts:
Spinel chemistry.
Solution: The test relies on the formation of colored spinels or mixed oxides. Group 2 oxides (except the smaller Mg2+ ) do not form these specific colored lattice structures with cobalt.
Final answer: Option (C)
Stream:JEESubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF CATIONS Dry Test, Group Analysis, Group 1,2
⏱ 2mℹ️ Source: QB
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