What is the product of the reaction of `1,3-`butadiene with `Br_(2)`?

What is the product of reaction of 1,3-butadiene with Br_2 ?

1,3-butadiene has :

1,3-butadiene has:

What is the reactive intermediate in the reaction of 1,3-butadiene with HBr which results in 1,2- and 1,4- addition?

The major product obtained in the reaction of 1,3- Butadiene with HCl ( 1 mole) at a higher temperature ( 100^(@)C or above ) is

The major product obtained in the reaction of 1,3- Butadiene with HCl ( 1 mole) at a higher temperature ( 100^(@)C or above ) is

The compound 1,3-butadiene has