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)
Priyanshu kumar Best Answer
Correct choice is B
In the 1st process, 6 pi involved in electrocyclization that 4n+2( when n=1) So here rotation is disrotatory...And in 2nd step OSO4 (osmium tetroxide) is used for cis-dihydroxylation so syn diol formed formed from less hindered site.... 👇See here 6 pi electrons involves and thermal process so disrotatory
ok sir
sir
sir