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Electrode potential for Mg electrode var...

Electrode potential for Mg electrode varies according to the equation
`E_(Mg^(2+)"|"Mg)=E_(Mg^(2+)"|"Mg)^(Ɵ)-(0.059)(2) log. (1)/(Mg^(2+))`. The graph of `E_(Mg^(2+)"|"Mg)` vs log `[Mg^(2+)]` is

A

B

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D

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The correct Answer is:
B
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