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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

The standard oxidation potentials of Zn, Cu, Ag and Ni electrodes are , , and V respectively. Which of the following reactions will provide maximum voltage?

Answer: (B)

Solution

, where the reduction potential is the negative of the given oxidation potential. For (b): $E = 0.76(Zn oxidised) +

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Question ID VK-143589