Question
Chemistry Question on Hydrocarbons
Anti-Markovnikov?? addition of HBr is not observed in
A
propene
B
1-butene
C
but-2-ene
D
pent-2-ene.
Answer
but-2-ene
Explanation
Solution
Anti-Markovnikov?? addtion of HBr is observed only with unsymmetrical alkenes, i.e., propene, 1-butene and pent-2-ene. Since 2-butene is symmetrical, therefore, antimarkovnikov?? addtion of HBr is not observed in this case.