First slide

Nernst Equation

Question

p^H of an acid solution in contact with hydrogen electrode is two. Reduction potential of Hydrogen electrode is

Moderate

A

-59 mV
B

-118 mV
C

-5.9 mV
D

-11.8 mV

Solution

E_RP = -0.0591 p^H ;
E_RP = -0.0591 (2) V ;
E_RP = -0.0591 (2) (1000) mV ;
E_RP = -118 mV.

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