The comparison of the changes in the near-electrode viscosity η S = F(L) and the isomer ratio R = f(L) shows a similar course of these both X / x, collective and molecular, dependencies. The x was obtained indirectly, based on the reaction layer thickness concept μ (Wiesner, Koutecky-Brdicka), using data from polarographic measurements and NAMBE-kinetic calculations. For a diffusion coefficient D = 10 -5 cm 2 . sec -1 the electrode effect region is 7-10 nm (presented in , slide VIII).