Which of the following statements about the reaction shown here is true?

Question

Quizplus · Accepted Answer

The major product under kinetic conditions is determined by the fastest and most accessible reaction pathway. In this case, the 1,2 addition product is favored under kinetic conditions because it involves a shorter distance for the nucleophile to approach the electrophilic center (protonated carbon) compared to the 1,4 addition pathway. This effect is known as proximity effects. Carbocation stability would only come into play under thermodynamic conditions, where the reaction is allowed to reach equilibrium and the most stable product is favored. Therefore, option B is the correct answer.

Which of the Following Statements About the Reaction Shown Here