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Priyanshu kumar Best Answer
Dear Sourav,Here option A is major product...As here possibility of hydride shift also and hydride shift is prefer over methyl shift but we have to check the final product stability in both the case..Alkene formed by 1,2 methyl shift is more stable than alkene formed by 1,2 hydride shift...So we prefer here 1,2 methyl shift...Hope you get it..If you have still any doubt in this please ask😊
sir we need to check the stability of carbonation after rearrangement or stability of alkene.
sourav here in both shift 3rd degree carbocation is formed but we have to consider the final product...then stability of alkene decides which is more stable and major one
got this sourav??
ok sir, you mean in dehydration reactions we need to see stability of alkene everytime over carbonation stability?
sourav if carbocation stability is same then ...as because if 2nd degree carbocation is there and 1st degree than obvious 2nd is more stable and product alkene is also most stable but if by doing both shift same degree carbocation occurs...then check stability of final product