Chemistry - Salt Analysis Question with Solution | TestHub
ChemistrySalt AnalysisTEST OF CATIONS Dry Test, Group Analysis, Group 1,2Medium2 minQB
ChemistryMediumsingle choice
A mixture of and is analyzed. In the charcoal cavity test, the student sees a red mass and a yellow-hot/white-cold incrustation. If the student adds to this specific mixture and heats it, what is the most likely outcome?
Options:
Answer:
B
Solution:
Concepts:
Interference in mixed salts.
Solution:
The Zn2+ will form ZnO which reacts with Co(NO3)2 to form Rinman's green.ZnO.CoO The metallic copper remains as red flakes.
Final answer: Option (B)
Stream:JEESubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF CATIONS Dry Test, Group Analysis, Group 1,2
⏱ 2mℹ️ Source: QB
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