JEE MAIN - Chemistry (2005 - No. 48)
Elimination of bromine from 2-bromobutane results in the formation of-
equimolar mixture of 1 and 2-butene
predominantly 2-butene
predominantly 1-butene
predominantly 2-butyne
Giải thích
The formation of $$2$$-butene is in accordance to Saytzeff's rule. The more substituted alkene is formed.