Осуществить превращения: Пропен=Пропин=(+Na) Х=(CH3Br) Y=(1 моль H2) А дальше стрелочки…

1) CH4+Cl2=CH3Cl+HCl2CH3Cl+2Na=C2H6+2NaClC2H6+Br2=C2H5Br+HBrC2H5Br+NaOH=C2H4+NaBr+H2OC2H4+Cl2=C2H4Cl2C2H4Cl2+2NaOH=C2H2+2NaCl+2H2OC2H2+CH3Cl=C3H4+HCl2) C2H4+Cl2=C2H4Cl2C2H4Cl2+2KOH=C2H2+2KCl+2H2O3C2H2=C6H6C6H6+CH3Cl=C6H5-CH3+HCl5C6H5-CH3+6KMnO4+9H2SO4=5C6H5-COOH+6MnSO4+3K2SO4+14H2O3) 2CH4=C2H2+3H23C2H2=C6H6C6H6+Br2=C6H5Br+HBrC6H5Br+2Na+CH3Br=C6H5-CH3+2NaBrC6H5-CH3+HO-NO2=C6H4 (NO2) -CH3+H2O.