NEET 2009 Chemistry question

ChemistryElectrochemistryNEET 2009

Given: (i) , (ii) , Electrode potential, for the reaction, , will be:

Answer: (4)

Solution

Subtract (ii) from (i) using free energies (potentials themselves cannot be subtracted directly because the numbers of electrons differ). and . For : $Δ G° = Δ

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Question ID VK-090292