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
ortho effect is the part of SIR. same hi he bs name alg he dono he steric hindrance he. SIR effect is due to presence of bulky group at 1,2,3 position while ortho effect is due to present of group at ortho wrr to benzoic acid or aniline.
sir thanku