CH4-CH3Br-C2H6-C2H5Cl-C2H5OH-CH3C помогите!!
СH4 + Br2 = CH3Br СH3Br + 2Na = C2H6 + 2NaBr C2H6 + Cl2 = C2H5Cl + HCl C2H5Cl+NaOH=C2H5OH+NaCl C2H5OH = СH3CHO + H2