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Question: Isopropyl alcohol is obtained by reacting which of the following alkenes with conc. \(H_{2}SO_{4}\) ...

Isopropyl alcohol is obtained by reacting which of the following alkenes with conc. H2SO4H_{2}SO_{4} and H2OH_{2}O.

A

Ethylene

B

Propylene

C

2-methyl propene

D

Isoprene

Answer

Propylene

Explanation

Solution

CH3CH=CH2+H2OConc.H2SO4Markownikoff’s ruleCH3CHOHCH3Isopropylalcohol\underset{}{CH_{3} - CH = CH_{2}} + H_{2}O\underset{\text{Markownikoff's rule}}{\overset{\quad\text{Conc.}H_{2}SO_{4}\quad}{\rightarrow}}\underset{\text{Isopropylalcohol}}{CH_{3} - \underset{\underset{OH}{|}}{CH} - CH_{3}}