Question

# The dependence of electrode potential for the electrode $$M^{n+}\rightarrow\, M$$ with concentration under STP conditions is given by the expression:

A
E=E0.0591nlog10[Mn+]
B
E=E+0.0591nloge[Mn+]
C
E=E0.0591nloge[Mn+]
D
E=E+0.0591nlog10[Mn+]

Solution

## The correct option is D $$E\, =\, E^{\circleddash}\, +\, \displaystyle \frac{0.0591}{n}log 10[M^{n+}]$$$$E\, =\, E^{\circleddash}\, -\, \displaystyle \frac{0.0591}{n}log\displaystyle \frac{1}{[M^{n+}]}$$$$=\, E^{\circleddash}\, +\, \displaystyle \frac{0.0591}{n}[M^{+n}]$$Chemistry

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