Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Alcohols, Phenols and Ethers

Question:
The addition of unsymmetrical reagents (like HX, X=Cl, Br, I) to unsymmetrical alkenes in presence of a peroxide occurs in such a way that the negative part of the addendum goes to the carbon atom of the double bond which carries higher number of hydrogen atoms, is given by which rule?
Options:
Markovnikov's rule
Saytzeff rule
Anti-Saytzeff rule
Anti-Markovnikov's rule ( Kharasch effect)
Correct Answer:
Anti-Markovnikov's rule ( Kharasch effect)
Explanation:
The addition of unsymmetrical reagents to unsymmetrical alkene occurs in such a way that the negative part of the addendum goes to the carbon atom of the double bond which carries a higher number of hydrogen atoms is called as Anti-Markovnikov's rule or Kharasch effect.