1)C6H5CH=CH2+Cl2 = C6H5CH(Cl)-CH2Cl
2)C6H5CH(Cl)-CH2Cl+2NaNH2 = C6H5CH(NH2)-CH2NH2+2NaCl
3)C6H5CH=CH2+HBr=C6H5CH2-CH2Br
4)C6H5CH2-CH2Br+CH3C≡CNa = C6H5CH2-CH2-C≡C-CH3+NaBr
5)C6H5CH2-CH2Br+KOH = C6H5CH2-CH2OH+KBr
6)C6H5CH2-CH2Br+CH3CH2ONa = C6H5CH2-CH2-O-CH2CH3+NaBr