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Question
Elimination reaction of 2-bromo-pentane to form pent-2-ene is:
a) β−Elimination reaction
b) Follows Zaitsev rule
c) Dehydrohalogenation reaction
d) Dehydration reaction
Elimination reaction of 2-bromo-pentane to form pent-2-ene is:
a) β−Elimination reaction
b) Follows Zaitsev rule
c) Dehydrohalogenation reaction
d) Dehydration reaction
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Solution
The correct option is D a, b and c
This reaction is an example of β−elimination.
Hydrogen is removed from β−carbon and halogen from α-carbon, thus, it is a dehydrohalogenation reaction.
Pent-2-ene is a more substituted alkene. Thus, it is a saytzeff product.
The alkyl halide is a primary one, so, the reaction might go by E2 mechanism with a strong base to give saytzeff product.
This reaction is an example of β−elimination.
Hydrogen is removed from β−carbon and halogen from α-carbon, thus, it is a dehydrohalogenation reaction.
Pent-2-ene is a more substituted alkene. Thus, it is a saytzeff product.
The alkyl halide is a primary one, so, the reaction might go by E2 mechanism with a strong base to give saytzeff product.
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