Chemistry - Salt Analysis Question with Solution | TestHub

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

ChemistryMediumsingle choice

Which of the following set of cations would be precipitated by passing $H_{2} S$ gas in aqueous solution of dilute HCl without undergoing any change in their oxidation state ?

Options:

Answer:

Solution:

$2 Fe^{3 +} + H_{2} S \to 2 Fe^{2 +} + S + 2 H^{+}$

BaS passes into solution due to hydrolysis

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

⏱ 2mℹ️ Source: QB

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