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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

for the reaction is kJ per mol of . Calculate the minimum EMF (in volts) required to carry out the electrolysis of (round to the nearest integer).

Answer: 2

Solution

, so mol of Al transfers mol of electrons; for this reaction (per mole of ). $Δ

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Question ID VK-143800