Which of the following is most stable?
(a) 1 -Butene
(b) 1 - pentene
(c) 2-Butene
(d) 2-Pentene
Correct option (d) 2-Pentene
Explanation:
According to Saytzetff'* rule, stability of alkenes depends upon the substitution on C-C bond. More the substitution by alkyl group, more stable is the alkene.
