Допоможіть ланцюжок зробити C2-CH4-CH3Cl-C2H6-C2H5Cl-C2H5OH-CH3COOH
C+2H2=CH4 CH4+Cl2=CH3Cl+HCl 2CH3Cl+2Na=2NaCl+C2H6 C2H6+Cl2=C2H5Cl+HCl C2H5Cl+NaOH=C2H5OH+NaCl 3C2H5OH+2K2Cr2O7+8H2SO4=3CH3COOH+2Cr2(SO4)3+2K2SO4+11H2O