Chemistry - Salt Analysis Question with Solution | TestHub

ChemistrySalt AnalysisTEST OF ANIONS CLASS A-SUBGROUP IIMedium2 minQB

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Passage / Comprehension

Which of the following statement is INCORRECT?

Answer:

Solution:

Gas A is SO₂ which reduces FeCl₃ solution from yellow to green ( $F e^{3 +} \to F e^{2 +}$ )

H₂S gives yellow turbidity with FeCl₃ due to sulfur formation

Z is Na₂S₅ (polysulfide) formed on heating sodium thiosulfate hydrate

Na₂S₂O₃ gives white ppt with CuSO₄, not blue ppt

Therefore, the incorrect statement is:

Answer: (D)

Stream:JEESubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF ANIONS CLASS A-SUBGROUP II

⏱ 2mℹ️ Source: QB

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