Normal aluminium electrode coupled with normal hydrogen electrode gives an emf of 1.66 volts . So the standard electrode potential of aluminium isA. `-1.66` VB. `+ 1.66` VC. `-0.83` VD. `+ 0.83` V

Normal aluminium electrode coupled with normal hydrogen electrode give

1.	Normal aluminium electrode coupled with normal hydrogen electrode gives an emf of 1.66 volts . So the standard electrode potential of aluminium isA. `-1.66` VB. `+ 1.66` VC. `-0.83` VD. `+ 0.83` V
Answer» Correct Answer - A Al undergoes oxidation w.r.t. N.H.E. Hence , its standard electrode potential must be negative .

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Normal aluminium electrode coupled with normal hydrogen electrode gives an emf of 1.66 volts . So the standard electrode potential of aluminium isA. `-1.66` VB. `+ 1.66` VC. `-0.83` VD. `+ 0.83` V

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