Login/Sign Up
Home » The standard electrode potential (E⊖) values of Al3+/Al, Ag+/Ag, K+/K and Cr3+/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
The standard electrode potential (E⊖) values of Al3+/Al, Ag+/Ag, K+/K and Cr3+/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
Chemistry
The standard electrode potential (E⊖) values of Al3+/Al, Ag+/Ag, K+/K and Cr3+/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

(1) Al > K > Ag > Cr

(2) Ag > Cr > Al > K

(3) K > Al > Cr > Ag

(4) K > Al > Ag > Cr

 

Correct Answer: (3) K > Al > Cr > Ag

Explanation: The lesser is the reduction potential greater is the reducing power. Reduction Potential : Ag+/Ag > Cr3+/Cr > Al3+/ Al > K+/K

Reducing Power: K > Al > Cr > Ag

i

More Material