Using the standard electrode potentials

cbse
electrochemistry

#1

Using the standard electrode potentials, predict if the reaction between the following is feasible.
(i) ${{Fe}^{3+}}$(aq) and ${{I}^{-}}$(aq) (ii) ${{Ag}^{+}}$(aq) and Cu (s) (iii) ${{Fe}^{3+}}$(aq) and ${{Br}^{-}}$(aq) (iv) Ag(s) and ${{Fe}^{3+}}$(aq)
(v) $Br _{ 2 }$(aq) and ${{Fe}^{2+}}$(aq)


#2

The reaction will be feasible, if emf of the cell reaction is positive.