JEE MAIN - Chemistry (2005 - No. 12)
Reaction of one molecule of HBr with one molecule of 1,3-butadiene at 40oC gives
predominantly
3-bromobutene under kinetically controlled conditions
1-bromo-2-butene under thermodymically controlled conditions
3-bromobutene under thermodynamically controlled conditions
1-bromo-2-butene under kinetically controlled conditions
Paliwanag
