Example of Electrophilic Addition Addition of hydrogen bromide to 2-Methyl- H3C C propene H3C H H-Br transfers proton to C=C H3C Forms carbocation H intermediate More stable cation forms · Bromide adds to H3CPC-C.H carbocationExample of Electrophilic Addition • Addition of hydrogen bromide to 2-Methyl￾propene • H-Br transfers proton to C=C • Forms carbocation intermediate – More stable cation forms • Bromide adds to carbocation