propene is treated with hydrobromic acid

When propene is treated with hydrobromic acid, a reaction known as an electrophilic addition reaction occurs. Here are the steps:

1. The double bond in the propene molecule attracts the partially positive hydrogen atom in the hydrobromic acid molecule. This is because the double bond has a high electron density.

2. The double bond breaks, and the hydrogen atom from the hydrobromic acid forms a bond with one of the carbon atoms in the propene molecule. This results in a carbocation (a positively charged carbon atom) and a bromide ion (Br-).

3. The bromide ion, which is a strong nucleophile, is attracted to the carbocation and forms a bond with it.

The final product of this reaction is 2-bromopropane.