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(B) The reaction involves the acid-catalyzed dehydration of a tertiary alcohol. $1$. Protonation of the hydroxyl group by $H_2SO_4$ forms a good leavi

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$3-$ethylcyclohex$-2-$en$-1-$one

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(B) The reaction involves the acid-catalyzed dehydration of a tertiary alcohol. $1$. Protonation of the hydroxyl group by $H_2SO_4$ forms a good leaving group $(-OH_2^+)$. $2$. Loss of water molecule generates a stable carbocation at the tertiary carbon. $3$. Elimination of a proton from the adjacent carbon (alpha to the carbonyl group) occurs to form the most stable conjugated alkene. $4$. The double bond forms between the carbon bearing the ethyl group and the adjacent carbon to form a conjugated system with the carbonyl group,resulting in $3-$ethylcyclohex$-2-$en$-1-$one.

The major product of the following reaction is:

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