Q. The standard reduction potentials of and are and respectively. The standard electrode potential of half-cell is

 3998  212 IIT JEEIIT JEE 1997Electrochemistry Report Error

Solution:

is an intensive property :

(i)
(ii)
Subtracting (ii) from (i) gives :



For the given concentration cell,
the cell reaction are at left hand electrode.
at right hand electrode
(RHS electrode) (LHS electrode)

Applying Nernst equation