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)
Yashasvi yadav
before titration only HCl present(H+ high conductance) till equivalence point, H+ replaced by NH4+ (low conductance) At equivalence point, NH4Cl and H2O ( least conductance) after equivalence point excess NH4OH (not dissociate due to common ion effect)