Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Chemistry Thermodynamics

On the basis of reaction : \(\rm\frac{4}{3}Al+O_2\rightarrow\frac{2}{3}Al_2O_3\); ΔG = -827 kJ mol-1 of O2, the minimum emf required to carry out electrolysis of Al2O3 is: 

1
6.42 V
2
8.56 V
3
2.14 V
4
4.28 V
5
Not Attempted
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