C6H5-CH3+Cl2= C6H5-CH2Cl+HCl----------------X1 C6H5-CH2Cl+ NaOH(водный)= C6H5-CH2OH+NaCl--------X2 5C6H5-CH2OH+ 4KMnO4+6 H2SO4=5 C6H5COOH+2 K2SO4+4MnSO4+6H2O C6H5COOH+Na=C6H5COONa+H2---------------X3 C6H5COONa+NaOH(сплавнение)=C6H6 +Na2CO3------X4