Electrochemistry - Result Question 30

####32. The pressure of H2 required to make the potential of H2-electrode zero in pure water at 298K is :

(a) 1014atm

(b) 1012atm

(c) 1010atm

(d) 104atm

[2016]

Show Answer

Solution:

  1. (a) 2H+(aq) +2eH2 (g)

E=E00.05912logPH2[H+]2

0=00.0295logPH2(107)2

PH2(107)2=1

PH2=1014atm



NCERT Chapter Video Solution

Dual Pane