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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyanshu kumar Best Answer
Have you try it shweta??
match with this
no sir
sir two methyl groups are cis ?
yes before ring opening they are trans...but as conrotatory occurs here so stereo change means methyl becomes cis to each other
but sir in conrotatory cis convert into trans
shweta stereo change means cis to trans and trans to cis
ok