Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Gunjan
see the image below for nernst equation application of nernst : 1) to find electrode potential of single electrode 2) calculation of equilibrium constant ... if still doubt ask me in cmnt box