Please answer this Can you give examples to explain Addition reactions-general characteristics Benzene rings do not reactthi like alkenes Remember, the electrophile adds to the less substituted carbon, and the nucleophile to the more substituted carbon. Markovnikov’s Rule: The addition of a hydrogen halide to an alkene favors the product in which the proton adds to the alkene carbon that is initially bonded to the greater number of hydrogen atoms. Carbocation rearrangements- Methyl groups and hydride groups can migrate to make a more stable carbocation. A primary carbocation is less stable than a secondary carbocation, which is less stable than a tertiary carbocation.   Addition of A Strong Bronsted Acid Hydrohalogenation HX addition to an alkene. Goes through a carbocation intermediate. The electrophile (H+) adds to the less substituted carbon, and the carbocation forms on the more substituted carbon. The nucleophile (X-) then adds to the more substituted carbocation. Rearrangements are possible. This reaction follows Markovnikov’s rule. KNOW THIS MECHANISM *I also went over cationic polymerization   Addition of a weak acid Acid-catalyzed hydration: H2SO4/H2O. Goes through a carbocation intermediate so rearrangements are possible. The electrophile (H+) adds to the least substituted carbon, and water acts as a nucleophile adding to the carbocation on the more substituted carbon. The end product is an alcohol. This reaction follows Markovnikov’s rule.-Know this mechanism. Remember the nucleophile can also be an alcohol and that will result in the production of an ether.   Addition of a Strong Bronsted Acid to an Alkyne Hydrohalogenation of Alkynes-forms geminal dialkyl halides

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter13: Substitution
Section: Chapter Questions
Problem 25E
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Can you give examples to explain

  • Addition reactions-general characteristics
  • Benzene rings do not reactthi
  • like alkenes
  • Remember, the electrophile adds to the less substituted carbon, and the nucleophile to the more substituted carbon.
  • Markovnikov’s Rule: The addition of a hydrogen halide to an alkene favors the product in which the proton adds to the alkene carbon that is initially bonded to the greater number of hydrogen atoms.
  • Carbocation rearrangements- Methyl groups and hydride groups can migrate to make a more stable carbocation. A primary carbocation is less stable than a secondary carbocation, which is less stable than a tertiary carbocation.

 

Addition of A Strong Bronsted Acid

  • Hydrohalogenation HX addition to an alkene. Goes through a carbocation intermediate. The electrophile (H+) adds to the less substituted carbon, and the carbocation forms on the more substituted carbon. The nucleophile (X-) then adds to the more substituted carbocation. Rearrangements are possible. This reaction follows Markovnikov’s rule. KNOW THIS MECHANISM
  • *I also went over cationic polymerization

 

Addition of a weak acid

  • Acid-catalyzed hydration: H2SO4/H2O. Goes through a carbocation intermediate so rearrangements are possible. The electrophile (H+) adds to the least substituted carbon, and water acts as a nucleophile adding to the carbocation on the more substituted carbon. The end product is an alcohol. This reaction follows Markovnikov’s rule.-Know this mechanism.
  • Remember the nucleophile can also be an alcohol and that will result in the production of an ether.

 

Addition of a Strong Bronsted Acid to an Alkyne

  • Hydrohalogenation of Alkynes-forms geminal dialkyl halides
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