Which of the following compounds is most reac | vedclass

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(A) Acid-catalyzed dehydration of alcohols proceeds via the formation of a carbocation intermediate. The rate of dehydration depends on the stability

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$1$-naphthol derivative

Vedclass · Answer

(A) Acid-catalyzed dehydration of alcohols proceeds via the formation of a carbocation intermediate. The rate of dehydration depends on the stability of the carbocation formed. In the case of the compound shown in the image (a derivative of $1$-naphthol),the loss of the hydroxyl group leads to the formation of a carbocation that is stabilized by resonance with the adjacent aromatic ring. Furthermore,the subsequent elimination of a proton leads to the formation of a fully aromatic naphthalene system,which is highly stable. Therefore,this compound is the most reactive toward acid-catalyzed dehydration due to the formation of a highly stable aromatic product.

Which of the following compounds is most reactive toward acid-catalyzed dehydration?

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