Q. During dehydration of alcohols to alkenes by heating with concentrated $H_{2}SO_{4}$ the initiation step is

A) Protonation of alcohol molecule
B) Formation of carbocation
C) Elimination of water
D) Formation of an ester
Explanation

(a)
Protonation of –OH is first step. Conversion of poor leaving group (-OH) into good
leaving group$\begin{matrix}
+ \\
( - OH_{2})
\end{matrix}$.
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Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.