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)
Amol ashok pawar
It is a printing mistake As they have mentioned Co+2 and only 6 electrons in D orbitals It should be Co+3 with 6 electrons I have attached image with proper notation.