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Chemistry - Salt Analysis Question with Solution | TestHub

ChemistrySalt AnalysisTEST OF CATIONS, Group 3, 4, 5, 6, 0Easy2 minPYQ_2015

ChemistryEasymultiple choice

$F e^{3 +}$ is reduced to $F e^{2 +}$ by using

Options:(select one or more)

Answer:

A, B

Solution:

In basic medium $H_{2} O_{2}$ acts as reducing agent. $Na_{2} O_{2} + 2 H_{2} O \to 2 NaOH + H_{2} O_{2}$ $2 Fe^{3 +} + H_{2} O_{2} + 2 OH - \to 2 Fe^{2 +} + 2 H_{2} O + O_{2}$

Stream:JEE_ADVSubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF CATIONS, Group 3, 4, 5, 6, 0

⏱ 2mℹ️ Source: PYQ_2015

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