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1,3-butadiene on treatment with HBr (1 e...

1,3-butadiene on treatment with HBr (1 eq) gives

A

1-bromo-2-butene

B

3-bromo-1-butene

C

2-bromo-3-butene

D

4-bromo-2-butene

Text Solution

Verified by Experts

The correct Answer is:
A, B
at low temperature 1,2 addition predominates giving 1-bromo-2-butene while at high temperature
1,4 addition predominates giving 3-bromo 1-butene
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