Question

19. Which of the following alkene is the most unstable?
(1)
Н.
,H
C = C
H
H
(2) CH3 – CH = CH2
HC
C = C
CH3
(3) HỌC – CH = CH – CH,
(4)
HC
CH3​

Answer 1

Answer:

2 will be stable by me but try to ask others

Answer 2

Answer:

1 will be answer of this question