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Standard XII
Chemistry
Hydroboration Oxidation
When HBr ad...
Question
When
H
B
r
adds on hex-1-ene in the presence of benzoyl peroxide, the product is
A
2-bromohexane
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B
2, 3-dibromohexane
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C
1, 2-dibromohexane
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D
2, 4-dibromohexane
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E
1-bromohexane
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Solution
The correct option is
E
1-bromohexane
In presence of peroxide Anti-Markownikoff's addition takes place. Hence the product formed is
1-bromohexane
Hence, option E is correct.
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Similar questions
Q.
3
−
Methyl-pent
−
2
−
ene on reaction with
H
B
r
in presence of peroxide forms an addition product.
The number of possible stereoisomers for the products:
Q.
The major product obtained by the addition reaction of
H
B
r
to 4-methylpent-1-ene in the presence of peroxide is:
Q.
Elimination reaction of
1
-Bromohexane
to form
hex-
1
-ene
is
Q.
Assertion :Propene reacts with
H
B
r
in the presence of benzoyl peroxide to yield 2-bromopropane. Reason: In presence of peroxide, the addition of
H
B
r
to propene follows ionic mechanism.
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