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)
Lingareddy 1
check once
how it come? kindly show me solution
in the presence of electron with drawing group at meta position chemical shift increases to more than 7.27 (approximately around 8 ppm).in the presence of electron donating group at ortho, para position chemical shift decreases to less than 7.27 (approximately around 6.8ppm). b position ortho to chlorine and meta to cyanide group
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