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ChemistryElectrochemistryGalvanic cells/Nernst Equation/Concentration CellsEasy2 minPYQ_2022

ChemistryEasystatement

In $3 d$ series, the metal having the highest $M^{2 +} / M$ standard electrode potential is

Answer:

Solution:

${Cr}^{+ 2} / Cr \to - 0.90 V$

${Fe}^{+ 2} / Fe \to - 0.44 V$

${Cu}^{+ 2} / Cu \to + 0.34 V$

${Zn}^{+ 2} / Zn \to - 0.76 V$

So Ans. ${Cu}^{+ 2} / Cu$

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

⏱ 2mℹ️ Source: PYQ_2022

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