Question
Chemistry Question on Chemical Reactions
HBr reacts with CH2=CH−OCH3 under anhydrous conditions at room temperature to give:
A
CH3CHOandCH3Br
B
BrCH2CHOandCH3OH
C
BrCH2−CH2−OCH3
D
H3C−CHBr−OCH3
Answer
H3C−CHBr−OCH3
Explanation
Solution
First protonation occurs, two possible intermediates are (-1effect destabilizes carbocation) (+M effect stabilizes carbocation) II, is more favourable Hence, BrΘ attacks, and product is