Abstract: The electrochemical behavior of p-Nitroanisole on copper electrode in methanol-H^₂O solution was investigated by cyclic voltammetry and chronocoulometry. The influences of scan rate, concentration and temperature on the electrochemical behavior were discussed. It was showed that the reduction of p-nitroanisole on copper electrode was a diffusion-controlled irreversible process. The diffusion coefficient D of pNitroanisole in methanol-H₂O solution was 1.03×10^-5cm²/s, while the transfer coefficient was 0.26.

Key words: cyclic voltammetry, chronocoulometry, transfer coefficient, diffusion coefficient, p-Nitroanisole, cyclic voltammetry, chronocoulometry, transfer coefficient, diffusion coefficient