4
Calculate the standard cell potentials of galvanic cell in which the following
reactions take place:
(i) 2Cr(s) + 3Cd2+(aq)  ® 2Cr3+(aq) + 3Cd
(ii) Fe2+(aq) + Ag+(aq) ® Fe3+(aq) + Ag(s)
Calculate the DrGo and equilibrium constant of the reactions 2 5
Write the Nernst equation and emf of the following cells at 298 K:
(i) Mg(s)|Mg2+(0 001M)||Cu2+(0