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JEE Main 20198 AprilEvening Shift
Exam
JEE Main
Year
2019
Date
8 April
Shift
Evening Shift
Subject
Chemistry
Chapter
Hydrocarbons

JEE Main 2019 · 8 April · Evening Shift · Chemistry · Hydrocarbons

Which one of the following alkenes when treated with HCl yields...

Which one of the following alkenes when treated with HClHCl yields majorly an anti Markovnikov product?Which one of the following alkenes when treated with HCl yields majorly an anti Markovnikov product?

Options

  1. ACH3O−CH=CH2{CH}_{3}O - CH = C{H}_{2}
  2. BCl−CH=CH2Cl - CH = C{H}_{2}
  3. CH2N−CH=CH2{H}_{2}N - CH = C{H}_{2}
  4. DF3C−CH=CH2{F}_{3}C - CH = C{H}_{2}

Correct answer

D. F3C−CH=CH2{F}_{3}C - CH = C{H}_{2}

Step-by-step solution

Markovnikov’s product is formed when a stable carbocation is formed on the more substituted carbon.

In CF3−CH=CH2,C{F}_{3} - CH = C{H}_{2}, the carbocation formed will be destabilized by strong −I- I group of CF3.C{F}_{3} . Hence, the Anti-Markovnikov’s product will be formed.

Which one of the following alkenes when treated with HCl yields majorly an anti Markovnikov product?

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