Redox Reactions - Result Question 18

####20. The standard electrode potential (E) values of Al3+/Al,Ag+/Ag,K+/K and Cr3+/Cr are 1.66V, 0.80V,2.93V and 0.74V, respectively. The correct decreasing order of reducing power of the metal is

[NEET Odisha 2019]

(a) Al>K>Ag>Cr

(b) Ag>Cr>Al>K

(c) K>Al>Cr>Ag

(d) K>Al>Ag>Cr

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Solution:

  1. (c) Lesser is the reduction potential greater is the reducing power.

Reducing power : K>Al>Cr>Ag



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