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ChemistryElectrochemistryGalvanic cells/Nernst Equation/Concentration CellsEasy2 minPYQ_2010

ChemistryEasystatement

The correct order of $E_{SR^{2} / M}^{0}$ values with negative sign for the four successive elements $Cr, Mn, Fe$ and $Co$ is

Answer:

Solution:

The $E_{M^{2 +} / M}^{0}$ values for Cr, Mn, Fe, Co are -0.91 V, -1.18 V, -0.44 V, -0.28 V respectively.

Order: Mn > Cr > Fe > Co (most negative to least negative).

Stream:JEESubject:ChemistryTopic:ElectrochemistrySubtopic:Galvanic cells/Nernst Equation/Concentration Cells

⏱ 2mℹ️ Source: PYQ_2010

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