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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

For , standard reduction potential V. For , standard oxidation potential V. For , standard oxidation potential V. Which of the following reactions is non-spontaneous?

Answer: (D)

Solution

Reduction potentials: V, V, V. For (a) is reduced (cathode ), oxidised (anode ): , spontaneous. For (b): cathode

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Question ID VK-143935