Answer:
According to Nernst equation, the
electrode potential (E) of an electrode is given as:
\[E={{E}^{o}}\,+\frac{0.0591}{n}\log
\,\,[{{M}^{n+2}}\,(aq)]\]
The electrode potential of an
electrode can be increased by increasing the concentration of the metal ions in
solution.
Thus, it is possible to increase
the electrode potential of an electrode by adding a small amount of the same electrolyte
in which the electrode is already kept.
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