MX is a sparingly soluble salt that follows the given solubility equilibrium at 298 K .
If the standard reduction potential for 
is 
, then the value of the standard reduction potential for the metal/metal insoluble salt electrode 
is 
mV. (nearest integer)
[Given : 
]
Text Solution
Verified by Experts200
(200)
The standard reduction potential for a metal/metal insoluble salt electrode is related to the standard reduction potential of the metal ion and the solubility product 
of the salt.
The half-cell reaction for the 
electrode is: 
.
This can be viewed as a combination of two processes:
(i) 
with equilibrium constant 
(ii) 
with 
The relation between the standard potentials is given by:
Given 
and 
:
To convert the value into mV :
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