Respuesta :

assuming that you refer to the one with Br2 and Ch2Cl2,

The starting material is 4-pentene-1-ol. Bromonium ion at C5 gives carbocation at c4 which will react to the unshared electrons on the OH group while the second Bromine atom is the other product HBr

Hope this helps
Draw the neutral organic starting material.

Answer: The reaction conditions support electrophilic addition of Br2 to a particular functional group. Please see the attachment to get a visual of what the neutral organic starting material is like.

I hope it helps, Regards.
Ver imagen CharlieStryker