What is the thermodynamic product obtained from the addition of 1 equivalent of HBr to 1,3-butadiene?
A)3-Bromo-1-butene
B)1-Bromo-2-butene
C)2-Bromo-2-butene
D)2-Bromo-1-butene

Question

Quizplus · Accepted Answer

The thermodynamic product obtained from the addition of 1 equivalent of HBr to 1,3-butadiene is 1-Bromo-2-butene. This is because the thermodynamic product is the more substituted alkene, which is more stable due to the greater hyperconjugation and alkyl substitution at the double bond.

What Is the Thermodynamic Product Obtained from the Addition of 1