Consider the reaction 2Ag+ + Cd → 2Ag + Cd2+. The standard reduction potentials of Ag+/Ag and Cd2 / Cd are + 0.80 volt and - 0.40 volt, respectively.
(i) Given the cell representation.
(ii) What is the standard cell emf, E°?
(iii) What will be the emf of the cell if concentration of Cd2+ is 0.1M and Ag+ is 0.2 M. ?
(iv) Will the cell work spontaneously for the condition given in (iii) above?
i) Cd|Cd2+|| Ag+|Ag
ii)
iv ) The cell works spontaneously for the given condition because E cell is positive.