First slide
Activity Series (OR) Electro chemicals series
Question

Find out in which option the order of reducing power is correct?

ECr2O7-2|Cr+3 = 1.33 V ; ECl2|Cl = 1.36 V EMnO4-|Mn+2  = 1.51 V  ; ECr+3|Cr = -0.74 V

Moderate
Solution

On moving top to bottom SRP value decreases from positive to negative which will increase the reducing capacity.

Species (ions)SRP values
Mn2+1.51 V
Cl-1.36 V
Cr3+1.33 V
Cr-0.74 V

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