Question

1 which is corred Nernst eqr for redox Roaction
O+ne=R
​

Answer 1

Ox + n e− → Red

Ecell = E°cell -(RT /nF) ln Qr.

Ecell is the cell potential (electromotive force) at the temperature of interest,

E°cell is the standard cell potential,

R is the universal gas constant: R = 8.31446261815324 J K−1 mol−1,

T is the temperature in kelvins,

n is the number of electrons transferred in the cell reaction or half-reaction,

F is the Faraday constant, the number of coulombs per mole of electrons: F = 96485.3321233100184 C mol−1,

Qr is the reaction quotient of the cell reaction, and

a is the chemical activity for the relevant species, where aRed is the activity of the reduced form and aOx is the activity of the oxidized form.