Electrochemical series - reducing power

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1. 1 2019 Odisha Electrochemistry #
   The standard electrode potential ($E^\circ$) values of $Al^{3+}/Al$, $Ag^+/Ag$, $K^+/K$ and $Cr^{3+}/Cr$ are -1.66 V, 0.80 V, -2.93 V and -0.74 V, respectively. The correct decreasing order of reducing power of the metal is:
   A Ag > Cr > Al > K B K > Al > Cr > Ag C K > Al > Ag > Cr D Al > K > Ag > Cr
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