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Question

On the basis of the information available from the reaction:


43Al+O223Al2O3, ΔG=827 kJ mol1 of O2, the minimum emf required to carry out the electrolysis of Al2O3 is [F=96500 C mol1]:

A
2.14 V
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B
4.28 V
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C
6.42 V
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D
8.56 V
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