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)
Dinesh khalmaniya 1 Best Answer
D3d point group if eclipse structure is given then always Dnh point group eg. eclipse ethane - Dnh if staggered structure is given then always Dnd point group eg. - staggered ethane - D3d