1)CH4+Cl2=CH3Cl+HCl 2)2CH3Cl+2Na=CH3-CH3+2NaCl 3)C2H6+Cl2=C2H5Cl+HCl 4)2C2H5Cl+2Na=C4H10+2NaCl 5)C4H10+Cl2=C4H9Cl+HCl 6)H3C-CH2-CHCl-CH3+KOH=H3C-CH=CH-CH3+KCl+H2O