Which of the following is an Electrophilic addition reaction?
1
CH3CH = CH2 + HBr → CH3CH(Br)CH3
2
\(CH_3CH=CH_2+HBr\xrightarrow{peroxide}CH_3CH2Br\)
3
\(C_6H_6+Cl_2\xrightarrow[AlCl_{3}]{Anhydraes}C_6H_5Cl\)
4
\(C_6H_6+Cl_2\xrightarrow[AlCl_{3}]{Anhydraes}C_6H_5Cl+HCl \)