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Standard XII
Chemistry
Introduction to E2 Mechanism
2- Bromopenta...
Question
2
−
B
r
o
m
o
p
e
n
t
a
n
e
i
s
t
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a
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d
w
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a
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c
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KOH$ solution. What will be the major product formed in this reaction and what is this type of elimination called?
A
Pent
−
1
−
ene,
β
- Elimination
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B
Pent
−
2
−
ene,
β
- Elimination
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C
Pent
−
1
−
ene, Nucleophilic substitution
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D
Pent
−
2
−
ene, Nucleophilic substitution
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Solution
The correct option is
A
Pent
−
2
−
ene,
β
- Elimination
Pent-2-
ene
is
major
product known as Saytzeff's Product and it is more stable alkene.
The process is known as
β
−
elimination as it involves elimination of
β
−
Hydrogen.
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