First slide

Nernst Equation

Question

Which of the following is not correct ?

Moderate

A

Aqueous solution of NaCl is an electrolyte
B

The units of electrochemical equivalent are g.coulomb.
C

In the Nernst equation, 'n' represents the number of electrons transferred in the elctrode reaction.
D

Standard reduction potential of hydrogen electrode is zero volts.

Solution

Aq. NaCl is brine solution and is good electrolyte due to presence of free ions. Weight deposited by passing one Coulomb of electricity is known as electro chemical equivalent whose units are gm/Coulomb. In Nernst equation 'n' represents number of electrons transfer. Electrode potential of NHE is arbitrarily taken as zero.

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