List of top Physical Chemistry Questions on Electrochemistry asked in IIT JAM CY

At pH 7, the reaction for the oxidation of NADH at 298 K and a pressure of 1 atm is given below:

The mobility of Na$^+$ ions in water at 298 K is $5.19 \times 10^{-8}$ m$^2$ s$^{-1}$ V$^{-1}$If the effective radius of a Na$^+$ ion is $Y \times 10^{-12}$ m, the value of $Y$ is _ _ _. (rounded off to two decimal places)