Match the following columns.  Given, EFe3+/Fe2+∘=0.77, E12I2/1−∘=+0.54E1/2Br2/Br−=1.09, EZn2+/Zn∘∘=−0.76

A→p,s; B→q; C→p,r,s; D→p,sA reaction is feasible, if its Ecello value is positive.A. Fe3+(aq)+I−(aq)⟶Fe2+(aq)+12I2(g)    Ecell ∘=EFe3+/Fe2+−E∘1/2I2/1−=(0.77−0.54)=0.23     The reaction is feasible.     i.e. ΔG∘=−veB. Fe3+(aq)+Br−(aq)⟶Fe2+(aq)+12Br2(g)    Ecell ∘=EFe3+/Fe2+∘−E∘1/2Br2/Br−=0.77−1.09=−0.32V   The reaction is not feasible.     i.e.  ΔG∘=+veC.12Br2(aq)+Fe2+(aq)⟶Br−(aq)+Fe3+(aq)     Ecell ∘=E1/2Br2/Br−∘−EFe3+/Fe2+=1.09−0.77=0.32V    The reaction is feasible.    ΔG∘=−ve