1) CH4+Cl2=CH3Cl+HCl 2) 2CH3Cl+2Na=CH3-CH3+2NaCl 3) CH3-CH3+Cl2=CH3-CH2Cl+HCl 4) CH3-CH2Cl+NaOH=CH3-CH2OH+NaCl 5) CH3-CH2OH+{O}=CH3COOH