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Tardigrade
Question
Chemistry
The most stable alkene is:
Q. The most stable alkene is:
1239
175
Bihar CECE
Bihar CECE 2004
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A
R
2
C
=
C
R
2
B
RC
H
=
C
H
R
C
C
H
2
=
C
H
2
D
RC
H
=
C
R
2
Solution:
Alkylated alkenes are more stable. More the alkylation of alkene, more will be its stability.
∴
Order of stability of alkenes is
R
2
C
=
C
R
2
>
R
2
C
=
C
H
R
>
R
2
C
=
C
H
2
>
RC
H
=
C
H
2
>
C
H
2
=
C
H
2
∴
Tetra alkylated alkene is most stable.