Acid-catalyzed hydration of alkenes,except et | vedclass

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Question

(B) Acid-catalyzed hydration of alkenes follows Markovnikov's rule,where the $-OH$ group adds to the more substituted carbon atom of the $C=C$ double

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Secondary or tertiary alcohol

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(B) Acid-catalyzed hydration of alkenes follows Markovnikov's rule,where the $-OH$ group adds to the more substituted carbon atom of the $C=C$ double bond.For ethene $(CH_2=CH_2)$,hydration yields primary alcohol (ethanol).For other alkenes (e.g.,prop$-1-$ene,$2$-methylprop$-1-$ene),the addition of water results in the formation of secondary or tertiary alcohols,as shown in the reaction schemes:$1$. Prop$-1-$ene $(CH_3-CH=CH_2)$ $\xrightarrow{H_2O/H^+}$ Propan$-2-$ol (Secondary alcohol).$2$. $2-$Methylprop$-1-$ene $((CH_3)_2C=CH_2)$ $\xrightarrow{H_2O/H^+}$ $2-$Methylpropan$-2-$ol (Tertiary alcohol).

Acid-catalyzed hydration of alkenes,except ethene,leads to the formation of:

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