A isomerises to B on addition of traces of ac | vedclass

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(A) The addition of traces of acid $H_2SO_4$ initiates the protonation of the double bond in compound $A$,leading to the formation of a carbocation in

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(A) The addition of traces of acid $H_2SO_4$ initiates the protonation of the double bond in compound $A$,leading to the formation of a carbocation intermediate. Through a series of rearrangements,including a $1,2-H$ shift,the carbocation stabilizes and subsequently loses a proton to form a more substituted,and thus more stable,conjugated diene system. The final product $B$ is the structure shown in option $A$.

$A$ isomerises to $B$ on addition of traces of acid $H_2SO_4$. Compound $(B)$ is

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